Neurology

Women Mexican Americans at Higher Risk for Certain Stroke

Wed, 11 Jun 2008 18:00:35 GMT

Mexican Americans and women may have an increased risk of experiencing a stroke in which there is bleeding in the space around the brain a new study finds. Researchers reviewing the medical records of almost 30000 people over age 44 in s...

Possession Is NineTenths the Perceived Value

Wed, 11 Jun 2008 14:00:56 GMT

As anyone who has thrown a yard sale knows it can be hard to part company with what was once a prized possession. In an attempt to grasp this all too human and sometimes irrational tendency to overvalue what is yours researchers hav...

Smoking Tied to Memory Loss in Middle Age

Mon, 9 Jun 2008 18:00:25 GMT

Middleaged smokers are more prone to memory problems than their nonsmoking peers a new French study suggests. While smoking is a recognized health hazard there has been some debate on its effect on dementia the study authors said. ...

Scientists ID Brain Pathway That Stops Seizures

Sun, 8 Jun 2008 16:00:17 GMT

A brain pathway that stops seizures has been found by Iowa researchers. Applying modern genetics and molecular biology to clinical observations made more than 80 years ago a team from the University of Iowa and the Veterans Affairs Iowa ...

Brain Stem Cells Reverse Myelin Deficiency in Mice

Thu, 5 Jun 2008 18:00:34 GMT

Researchers report they have used neural stem cells to correct a congenital brain disorder in mice. Dr. Steven Goldman of the University of Rochester Medical Center in New York and his colleagues used a type of neural stem cell called gl...

Serotonin Levels Determine Sense of Fairness

Thu, 5 Jun 2008 16:00:32 GMT

Levels of a brain chemical known as serotonin govern the way people react to unfair offers when they play the game of life a new study indicates. Serotonin which carries messages between neurons is involved in emotional control. One rece...

Cooling May Not Help Injured Brains in Children

Wed, 4 Jun 2008 18:00:32 GMT

Cooling the brain after a traumatic brain injury may not help improve neurological outcomes and might even increase mortality. Thats the conclusion of a randomized trial of 225 children with brain injuries but the authors and other expert...

Human Stem Cell Transplant Helps BrainImpaired Mice

Wed, 4 Jun 2008 16:00:32 GMT

Mice with a congenital brain disorder improved after receiving human neural stem cell transplants a U.S. study finds. The mice lacked myelin a substance that plays a critical role in the transmission of electrical signals between nerve ce...

Marijuana May Shrink Parts of the Brain

Mon, 2 Jun 2008 18:00:31 GMT

People who use marijuana for a long time can develop abnormalities in their brains Australian researchers report. Although growing literature suggests that longterm marijuana use is associated with a wide range of adverse health consequen...

Sen Kennedy Undergoing Surgery for Brain Tumor

Mon, 2 Jun 2008 14:00:23 GMT

Sen. Edward M. Kennedy was undergoing surgery Monday for the malignant brain tumor that was diagnosed last month. The 76yearold senator was having the surgery for a malignant glioma an especially lethal type of brain tumor at Duke Unive...

Sen Kennedy to Undergo Surgery for Brain Tumor

Mon, 2 Jun 2008 10:00:22 GMT

Sen. Edward M. Kennedy is scheduled to undergo surgery Monday for the malignant brain tumor that was diagnosed last month. The 76yearold senator will undergo the surgery for a malignant glioma an especially lethal type of brain tumor ...

Genetic Disorder Drug Helps Reverse Heart Muscle Enlargement

Fri, 30 May 2008 16:00:28 GMT

Tests on mice suggest that the drug BH4 may hold promise as a treatment for people with enlarged hearts says a Johns Hopkins University study. Currently BH4 is used to treat a genetic disorder called phenylketonuria PKU a metabolic dis...

Seizures Likely Sign of Brain Injury After Stroke

Thu, 29 May 2008 18:00:30 GMT

Stroke patients who suffer seizures are more likely to die within 30 days than stroke patients who dont have seizures are a new study shows. Seizures may be a sign of significant brain injury and may occur in patients whove suffered any ...

Monkey Controls Robotic Arm With Brain

Wed, 28 May 2008 20:00:22 GMT

Relying solely on brain signal manipulation monkeys have learned to operate humanlike robotic arms to feed themselves U.S. researchers reported Wednesday. This cuttingedge development in the field of neuroprosthetics was made possible ...

Ted Kennedy Released From Hospital

Wed, 21 May 2008 14:00:27 GMT

Sen. Edward M. Kennedy walked out of Massachusetts General Hospital in Boston on Wednesday one day after it was revealed that he has a malignant brain tumor. With a square bandage at the back of his head marking the spot where doctors had ...

SleepDeprived Brains Show Lapse in Visual Processing

Tue, 20 May 2008 18:00:24 GMT

Sleep deprivation can affect your ability to make sense of what you see a study by neuroscience researchers at the DukeNUS Graduate Medical School in Singapore shows. Using MRI to measure blood flow in the brains of volunteers the resear...

Ted Kennedy Has a Brain Tumor

Tue, 20 May 2008 18:00:23 GMT

Massachusetts Sen. Edward M. Kennedy the last surviving brother in an American political dynasty has a malignant brain tumor his doctors reported Tuesday. Doctors treating the 76yearold senator who has been in Massachusetts General Ho...

ClotBusting Treatment Improves Bleeding Stroke Outcomes

Wed, 14 May 2008 10:00:29 GMT

Researchers report they have dramatically increased the survival rate for people with strokes caused by bleeding within the brain by finetuning the dosage and timing for administering the clotbusting drug tissue plasminogen activator tPA. ...

Therapy Yields Promise for Fatal Neurological Condition

Tue, 13 May 2008 16:00:28 GMT

A new gene therapy that involves injecting a harmless virus into the brain shows promise as a safe and effective way to slow Batten disease a rare neurological disorder that usually becomes fatal between the ages of 8 and 12. Children with...

New MRI Technique Detects Subtle Brain Injuries

Mon, 12 May 2008 18:00:24 GMT

A new way of analyzing MRI data can detect a subtle but serious kind of brain injury and help determine how a patient may recover say researchers at the University of Texas Southwestern Medical Center at Dallas. This kind of injury called...

Drugs for Restless Legs Syndrome Have Downsides

Mon, 12 May 2008 18:00:24 GMT

The drugs that are widely used to treat restless legs syndrome do provide relief but they are burdened by side effects and a gradual loss of effectiveness that causes many sufferers to stop taking them a new analysis finds. One of the th...

Fairness Is a HardWired Emotion

Thu, 8 May 2008 18:00:27 GMT

The belief that things should be divided fairly among members of a group isnt just a matter of culture or reason its an emotion thats built into the human brain. Thats the suggestion of a new study that posed the question: Is it bet...

Some WeightLoss Drugs Might Disrupt Brain Growth in Kids

Wed, 7 May 2008 14:00:28 GMT

A new class of weightloss drugs that suppresses appetite by blocking cannabinoid receptors in the brain should be used with caution in children U.S. scientists report. In research with mice they found this class of drugs also suppresses ...

Virtual Reality Therapy May Help PTSD Patients

Wed, 7 May 2008 14:00:28 GMT

People suffering from posttraumatic stress disorder may ultimately benefit from a combination of prescription medication and cuttingedge virtual reality psychotherapy new research suggests. The study findings are preliminary. But early ...

BreastFeeding May Boost IQ

Mon, 5 May 2008 18:00:24 GMT

Children who were breastfed exclusively for the first three months of life or longer scored nearly six points higher on IQ tests at the age of 6 than children who werent breastfed exclusively a new study has found. The finding buttresse...

Special Diet Can Ease Epileptic Seizures in Kids

Fri, 2 May 2008 20:00:18 GMT

The ketogenic diet which features high levels of fat low levels of carbohydrates and controlled protein intake helps control and prevent seizures in children with drugresistant epilepsy a new study finds. The trial is the first rand...

Brain Tumor Biomarker May Improve Patient Outcomes

Mon, 28 Apr 2008 18:00:31 GMT

U.S. researchers have identified new biomarkers that may help enhance detection of new and recurrent primary and metastatic brain tumors something that could help improve patient outcomes. A team from Childrens Hospital Boston and Brigham...

Deep Brain Stimulation Helps Severely Depressed

Mon, 28 Apr 2008 14:00:41 GMT

For those with the most severe depression a novel therapy may offer new hope. The treatment is deep brain stimulation DBS which is used for some people with Parkinsons disease and researchers found that it cut depression symptoms by 5...

Eye Cell Implants Improve Parkinsons Symptoms

Mon, 28 Apr 2008 14:00:41 GMT

By implanting specialized cells found in the human eye into areas of the brain damaged by Parkinsons disease researchers were able to reduce symptoms and improve quality of life in people with moderate to severe Parkinsons. The new treat...

Money Praise Similarly Activate Brains Reward Center

Thu, 24 Apr 2008 16:00:16 GMT

Your brain may be telling you to be nice because it will pay off financially or socially says a new study. Japanese researchers using functional magnetic resonance imaging fMRI on people being enticed with either monetary or reputati...

Real World Examples Dont Make Math Any Easier

Thu, 24 Apr 2008 16:00:16 GMT

The use of realworld concrete examples doesnt help students learn math according to an Ohio State University study that challenges the widespread use of this approach in classrooms. The study found that college students who learned a ...

Social Status Plays Role in Brains Control of Health

Thu, 24 Apr 2008 12:00:54 GMT

New information about how the brain processes social status is outlined in a study by researchers at the U.S. National Institute of Mental Health NIMH. Using functional MRI scans they found that different brain areas are activated when a...

Brain Patterns Predict Mistakes

Wed, 23 Apr 2008 14:00:38 GMT

Sometimes while performing repetitive tasks people make mistakes. Now new research has uncovered the existence of a pattern of activity across two regions of the brain that occur up to 30 seconds before some but not all errors are...

Common Chemotherapy Drug Linked to Memory Problems

Mon, 21 Apr 2008 20:00:17 GMT

Treatment with a single commonly used chemotherapy drug causes memory problems and other cognitive difficulties a common and unpleasant side effect called chemo brain a new study found. Up to 50 percent of women with breast cancer repo...

Choices Sap Your Stamina Self Control Study

Fri, 18 Apr 2008 18:00:21 GMT

From paper or plastic to 31 flavors of ice cream peoples lives are full of choices. Now new research suggests that facing too many decisions can sap your stamina your ability to stay focused and even maintain selfcontrol. A number of...

Gene Therapy in Rats Reduces Cocaine Use

Fri, 18 Apr 2008 18:00:21 GMT

Using gene therapy to increase the level of dopamine a pleasurerelated chemical receptors in rats brains reduced their desire for cocaine by 75 percent U.S. researchers say. Previous research by the same team at the U.S. Departmen...

Chronic Exposure to Solvents Disturbs Brains Wiring

Fri, 18 Apr 2008 10:00:29 GMT

Longterm exposure to solvents in products such as paints and dry cleaning agents may cause disturbances in the brains wiring researchers report. These abnormalities play a role in a condition called chronic solventinduced encephalopath...

Migraines Frequency Influences Heart Attack Stroke Risk

Thu, 17 Apr 2008 18:00:21 GMT

Women who have weekly migraines are at an increased risk for stroke compared to those with few or no migraines a new study finds. On the other hand those with less frequent migraines may have an increased risk of heart attack the same te...

Prozac Makes Old Brain Cells Young

Thu, 17 Apr 2008 16:00:22 GMT

The antidepressant Prozac has been shown to restore old brain cells to their more plastic youthful condition in animal experiments researchers report. The work not only provides a possible new explanation for the antidepressant activity of...

Professionals Use Drugs to Sharpen Their Minds Survey Finds

Wed, 9 Apr 2008 18:00:30 GMT

One in five respondents to a scientific journal survey acknowledges using socalled cognitionenhancing drugs such as ADHD and heart medications to sharpen their focus concentration or memory. The most popular drug was Ritalin met...

Unlikely Drugs Emerge as Cognition Enhancers

Wed, 9 Apr 2008 16:00:32 GMT

One in five respondents to a new survey acknowledges using socalled cognitionenhancing drugs such as ADHD and heart medications to stimulate their focus concentration or memory. The most popular drug was Ritalin methylphenidate...

Researchers Define Mechanism of Methamphetamine Addiction

Wed, 9 Apr 2008 16:00:32 GMT

Longterm changes in the brains dopaminereleasing machinery may explain why methamphetamine addiction is so strong U.S. researchers say. Dopamine is one of the brains major neurotransmitters. The research team led by Nigel B...

Reprogrammed Cells Reduce Parkinsons Symptoms

Mon, 7 Apr 2008 18:00:36 GMT

Transplanted neurons derived from reprogrammed adult skin cells successfully integrated into the brains of fetal mice and reduced symptoms of a Parkinsons diseaselike condition in adult rats say U.S. researchers. This is the first demon...

Lowering Blood Pressure Improves Brain Hemorrhage Outcomes

Fri, 4 Apr 2008 20:00:24 GMT

Intravenous treatment to drastically lower the blood pressure of people whove just suffered bleeding in the brain may improve their prognosis a pilot study suggests. Intracranial hemorrhage often causes a rapid rise in blood pressure whi...

Small Brain Lesions More Common Than Thought in Those Over 60

Mon, 31 Mar 2008 18:00:12 GMT

Cerebral microbleeds brain lesions that are deposits of iron from red blood cells that have leaked out of small blood vessels are more common in people over age 60 than previously believed according to a Dutch study. We found a thre...

Smokers at Increased Risk of Aneurysm Recurrence

Fri, 28 Mar 2008 16:00:13 GMT

Smokers with a brain aneurysm who are treated with coil embolization are more likely than other patients to develop another aneurysm according to a U.S. study. If a brain aneurysm bursts the bleeding vessel causes a stroke. Dur...

Compulsive Gamblers Dont Learn From Their Mistakes

Thu, 27 Mar 2008 14:00:20 GMT

A form of mental rigidity that leads to compulsive behavior may explain why gambling addicts cant stop trying their luck even when theyre on a losing streak a new Italian study suggests. Its not known what causes compulsive gambling bu...

Meditation Can Wish You Well Study Says

Thu, 27 Mar 2008 10:00:17 GMT

New research suggests that qualities the world desperately needs more of love kindness and compassion are indeed teachable. Imaging technology shows that people who practice meditation that focuses on kindness and compassion actual...

Innovative Care Is Helping Iraq Wars Injured Survive

Mon, 24 Mar 2008 16:00:12 GMT

After five years of war in Iraq theres some relatively good medical news about the casualties over there: more than 90 percent are now surviving injuries that would have been fatal in previous conflicts. In the March issue of The Jou...

Therapeutic Cloning Works in Mice With Parkinsons

Mon, 24 Mar 2008 14:00:12 GMT
Therapeutic cloning successfully treated Parkinsons disease in mice researchers report. Using the process to develop dopamineproducing neurons with an identical genetic profile to each mouse being treated allowed scientists to significan...

Sleep Deprivation Helps Spot Sleepwalkers

Fri, 21 Mar 2008 16:00:07 GMT
Because sleep deprivation may give rise to sleepwalking it can also help specialists diagnose the condition say Canadian researchers. They studied 40 patients referred to a sleep disorder clinic for treatment of suspected sleepwalking.

Monkey Brain Gives Clues to Human Interaction

Thu, 20 Mar 2008 14:00:22 GMT
THURSDAY March 20 HealthDay News Monkeys have social lives too and watching how their brains process social cues is helping scientists better understand human social behavior and autism. Little is known about how the human brain ev...

Artery Plaque Boosts Hispanics Odds for Stroke

Wed, 19 Mar 2008 16:05:27 GMT
Hispanic Americans with even a small amount of plaque buildup in their carotid artery the vessel that supplies blood to the brain are up to four times more likely to suffer or die from a stroke compared to those with clear arteries a new stud...

Brain Blood Vessels Grow With Their Own Agenda

Wed, 19 Mar 2008 09:05:29 GMT
A radically different concept of how the brains blood supply develops is outlined in a study led by Massachusetts General Hospital researchers. In experiments with mice the researchers found that blood vessels in the brain grow according ...

Scientists Spot Biochemical Sign of Depression

Tue, 11 Mar 2008 19:05:21 GMT
Researchers say theyve discovered a biomarker for depression that could lead to a quick lab test to determine whether a particular antidepressant is making headway against the disease. This may be a very simple biochemical indicator for d...

Magnesium May Lower Risk for Some Strokes in Male Smokers

Tue, 11 Mar 2008 12:05:32 GMT
Increased consumption of magnesiumrich foods such as whole grains may reduce male smokers risk of cerebral infarction which occurs when blood flow to the brain is blocked a new Swedish study suggests. Researchers at the Karolinska Insti...

Brain Disease Causes More Vision Loss in Blacks

Mon, 10 Mar 2008 16:05:48 GMT
Black Americans are more likely than other racial groups to lose their vision due to idiopathic intracranial hypertension or increased pressure in the brain according to a new study. Researchers at Emory University School of Medicine in A...

Brain Scans Let Computer Read Visual Activity

Wed, 5 Mar 2008 14:05:39 GMT
Using brain scans and computer models researchers report they have found a way to read visual activity in the brain. The process relies on functional MRI to scan the brain for activity information related to the viewing of a chosen set o...

Deficit in Brain Function Puts Teens at Risk of Drug Abuse

Wed, 5 Mar 2008 14:05:39 GMT
Teens at risk of developing a substance abuse disorder have deficits in frontal brain activation a U.S. study concludes. The researchers used functional MRI to study brain activity in 25 participants ages 12 to 19 as they did an eye mov...

Babies Really Can Light Up Your Life

Fri, 29 Feb 2008 16:05:27 GMT
Ever wonder why adults tend to go gaga when they see a baby? Scientists report that sophisticated imaging showed that seeing a babys face lit up a specific region of the adult brain associated with reward circuitry. This Christmas tree...

Teen Aggression May Really Be a State of Mind

Tue, 26 Feb 2008 09:05:34 GMT
For parents of emotionally combative teens new research offers a powerful biological reason for all the family feuding adolescent brain size. A team of Australian scientists has found that when key regions of the brain known for control...

Stem Cells Repair Stroke Damage in Rats

Wed, 20 Feb 2008 09:06:05 GMT
Human stem cells helped repair strokerelated brain damage in rats Stanford University researchers report. The use of neural cells derived from human embryonic stem cells led to improvements in the rats physical abilities according to th...

Missing Chromosome Improves Response to Brain Tumor Treatment

Tue, 19 Feb 2008 14:05:49 GMT
The lack of a chromosome actually helps people with a rare aggressive brain tumor respond better to a new treatment new findings show. Gliomatosis cerebri is a type of inoperable brain tumor that is difficult to diagnosis and has an extre...

Pitch Patterns Play Greater Role in Speech Perception

Mon, 18 Feb 2008 09:05:30 GMT
The pitch of language and sound affects the development of the brain more than previously thought according to new research. Everyone has a brain stem but its tuned differently depending on what sounds are behaviorally relevant to a per...

Chronic Pain Harms Brains Wiring

Fri, 8 Feb 2008 14:05:16 GMT
Chronic pain can disrupt brain function and cause problems such as disturbed sleep depression anxiety and difficulty making simple decisions a U.S. study finds. Researchers at Northwestern Universitys Feinberg School of Medicine in Chic...

For Males Video Game Rewards Are All in the Mind

Fri, 8 Feb 2008 09:05:26 GMT
If youre a video game widow science might now be able to tell you why. New research from Stanford scientists shows that the part of the brain associated with reward and addiction was more activated in males than in females when both ge...

Brain Injury May Not Erase LongTerm Memory

Tue, 5 Feb 2008 17:05:24 GMT
TUESDAY Feb. 5 HealthDay News A new interviewing technique has drawn out extensive details hidden in the longterm memories of people with memory impairment U.S. researchers say. Theres ongoing debate about whether longterm memory is...

Born to Be Obese

Tue, 5 Feb 2008 12:05:37 GMT
The brain circuitry that controls appetite might be wired differently in some people and that could predispose them to obesity California researchers suggest. The study was conducted in rats not humans and yet it could ultimately lead t...

A Daytime Nap Can Boost Memory

Fri, 1 Feb 2008 14:05:21 GMT
A 45minute midday nap can help boost your memory and remember facts but only if you learned them well in the first place a new study suggests. This type of memory is called declarative memory and applies to standard textbook learning a...

DrugRelated Images Trigger Brains Reward Center

Wed, 30 Jan 2008 16:05:26 GMT
Cocainerelated images can trigger the brains emotional centers in drug addicts even if theyre unaware that theyve actually seen such an image says a study funded by the U.S. National Institute on Drug Abuse NIDA. University of Penn...

Deep Brain Stimulation May Improve Recall

Wed, 30 Jan 2008 12:05:24 GMT
Deep brain stimulation DBS may help improve memory suggests a Canadian study that found that DBS of the brains hypothalamus unexpectedly prompted detailed memories in a patient. DBS which involves electrical stimulation of targeted ...

Concussion Raises PTSD Risk for Iraq Vets

Wed, 30 Jan 2008 09:05:24 GMT
Researchers report that soldiers who have suffered concussions during their time in Iraq are more likely to experience posttraumatic stress disorder and other physical health problems. There was indeed a higher rate of PTSD and/or health ...

Researchers Map Paths Governing Neuron Function

Tue, 29 Jan 2008 09:05:21 GMT
U.S. researchers have mapped thousands of neuronal proteins that are connected in complex signaling networks that control neuron function. This line of research may help improve understanding of brain development neurodegenerative diseases...

Surprise in Lab Helps ID Drug to Fight ALS

Thu, 24 Jan 2008 17:05:24 GMT
A drug that nearly doubles the life span of mice with inherited amyotrophic lateral sclerosis ALS has been identified by University of Iowa researchers who made the finding after discovering an unexpected reaction between proteins in the lab. ...

Specific Brain Region Governs ProblemSolving Skills

Wed, 23 Jan 2008 12:05:21 GMT
New research suggests that a specific part of the brain handles what might be called the Ive got it! moments. The research could lead scientists closer to more effective treatments for a variety of mental illnesses. Any new understanding...

Different Neural Pathways at Work Going Under Coming Out of Anesthesia

Mon, 21 Jan 2008 12:05:24 GMT
The neural pathway that regulates recovery of consciousness from general anesthesia is different from the one thats affected by drugs used to put patients to sleep during surgery. Thats the conclusion of a University of Pennsylvania Scho...

DNA Fingerprints Predict Brain Disorders

Fri, 18 Jan 2008 16:05:24 GMT
Predicting brain disorders such as Parkinsons disease and amyotrophic lateral sclerosis ALS may be possible by identifying certain DNA fingerprints a recent Mayo Clinic study suggests. The researchers analyzed the genetic data of peop...

Brain Scans Shed Light on Why People Overeat

Mon, 14 Jan 2008 17:05:46 GMT
A brain area linked to the desire to overeat has been identified by U.S researchers and treatments that target this region may help control chronic overeating. For this study researchers at the U.S. governments Brookhaven National Labora...

Study Spotlights Marketings Impact on the Brain

Mon, 14 Jan 2008 17:05:45 GMT
Its a little secret that many marketers would rather keep secret: People often think that if something costs more its got to be worth it. But thats not always true suggests a new study that used hightech brain imaging to illustrate it...

Brain Circuits That Suppress Memory Found

Thu, 10 Jan 2008 17:05:36 GMT
Brain circuits that play a key role in memory suppression have been identified by Israeli researchers. The findings may lead to a better understanding of the mechanisms underlying amnesia said the researchers from The Weizmann Institute of...

Some Immature Brain Cells May Promote Tumors

Mon, 7 Jan 2008 12:05:36 GMT
Much like a child who becomes a bully while his peers are becoming thoughtful and kind some immature brain cells go through an alteration in their development that allows them to grow into cancerous tissue a new study finds. National Can...

Research Gets Closer to Origin of Parkinsons Disease

Fri, 4 Jan 2008 17:05:23 GMT
The nerve cell death that helps drive Parkinsons disease may be triggered by a harmful modification in a particular nerve cell protein new research reveals. The modification in question an apparently toxic mix of the protein alphasynu...

Protein Nasal Spray Revives SleepDeprived Monkeys

Fri, 4 Jan 2008 16:05:30 GMT
The naturally occurring brain protein called orexinA may be key to undoing the negative mental effects of staying up all night at least in monkeys. OrexinA is a peptide a kind of protein made in the brain to regulate sleep according t...

ICU Patients Not Getting Enough Sleep

Thu, 27 Dec 2007 17:05:24 GMT
The sleep patterns of intensive care unit ICU patients are so disrupted that the patients spend little time in the restorative phases of sleep that help promote healing says a study by researchers at the University of Texas Southwestern Medical Ce...

Kids in Poor Neighborhoods Fall Behind in School

Fri, 21 Dec 2007 16:05:17 GMT
Black children living in disadvantaged neighborhoods fall behind the equivalent of one year or more of schooling simply because of where they live. The study does speak to the power of external resources said Richard Gilman coordinat...

Brain Cells More Powerful Than You Think

Wed, 19 Dec 2007 14:05:41 GMT
The human brain constantly sorts through its 1 trillion cells looking for perhaps only one or a handful of neurons to carry out a particular action a trio of new studies says. The research conducted with rodents and published in the Dec....

Neural Insights Could Bring Better Cochlear Implants

Wed, 19 Dec 2007 12:05:38 GMT
A team at Rutgers University in New Jersey say they are working on a better cochlear implant. Cochlear implants are used to provide at least some degree of hearing for deaf people. The implants are surgically inserted into a structure calle...

Smokers Brain Centers Activate During Nicotine Cravings

Wed, 19 Dec 2007 09:05:32 GMT
Specific areas of the brain show increased activation in smokers who are deprived of nicotine says a University of Pennsylvania study. The finding may boost understanding of cigarette cravings a key risk factor for relapse among people t...

Human Noses Sort Out Strangers Friends

Fri, 14 Dec 2007 19:05:27 GMT
Dogs arent the only ones who can sniff out interlopers. Humans have a far more sophisticated sense of smell than previously believed and can use their nose to differentiate between a friend and a stranger say Canadian researchers at the M...

Statins Can Boost Brain Hemorrhage Risk After Stroke

Wed, 12 Dec 2007 16:05:24 GMT
Some people taking statins after a stroke might face an increased risk of having a brain hemorrhage a new study suggests. But the risk of this lifethreatening condition needs to be balanced against the benefit of statins in lowering the o...

Personal Convictions May Control Both Behavior and Emotions

Tue, 11 Dec 2007 17:05:27 GMT
Belief disbelief and uncertainty activate distinct areas of the brain says a University of California Los Angeles study published online in the Annals of Neurology. The study included 14 adults whose brain activity was monitored ...

Cellular Disorder Might Influence Behavior

Fri, 7 Dec 2007 17:05:23 GMT
In laboratory mice respiration deficiencies in mitochondria the source of energy in cells are associated with changes in social behavior and spatial memory Japanese researchers report. The finding may help improve understanding about th...

Ketamine Impairs Brain by Releasing Superoxide

Thu, 6 Dec 2007 17:05:37 GMT
Researchers say they have figured out how the drug ketamine impairs the brain a finding they claim could lead to new treatments for schizophrenia. The anesthetic/antidepressant triggers increased production of a toxicfree radical called s...

Nerve Disorganization May Spur Form of Dyslexia

Tue, 4 Dec 2007 09:05:22 GMT
Disorganized meandering tracts of nerve fibers in the brain may cause a form of dyslexia marked by slow and choppy reading fluency U.S. researchers report. There are different forms of dyslexia which affects 5 percent to 15 percent of ch...

Chimps Top Humans in Number Recall

Mon, 3 Dec 2007 12:05:24 GMT
MONDAY Dec. 3 HealthDay News It may be a case of monkey see monkey do better a new study finds young chimpanzees beating human adults at remembering numbers. A team of Japanese researchers compared three pairs of motherandchild ...

Cell Protein Might Help Treat ALS

Wed, 28 Nov 2007 09:05:17 GMT
Studies in mice point to a possible treatment for amyotrophic lateral sclerosis ALS also known as Lou Gehrigs disease. Scientists injected a protein normally found in human cells into mice that were genetically engineered to develop AL...

Competition Affects Your Perception of Your Paycheck

Thu, 22 Nov 2007 14:05:20 GMT
How you feel when you see your paycheck may have a lot to do with how much your colleagues earn according to a study by researchers at the University of Bonn in Germany. They used magnetic resonance tomography to monitor brain activity in ...

Theres More Than Turkey Behind Holiday Yawns

Thu, 22 Nov 2007 12:05:19 GMT
THURSDAY Nov. 22 HealthDay News Bleary eyes and nodding heads after the Thanksgiving feast arent rare and experts say a number of factors may make people drowsy during the holiday. It may have to do with the traditional Thanksgivin...

Brain Area Recognizes Familiar Sounds

Wed, 21 Nov 2007 12:05:38 GMT
WEDNESDAY Nov. 21 HealthDay News Scientists say theyve spotted a brain region that selectively emphasizes certain sounds such as the sound of a familiar voice calling a persons name. Researchers from the University of Washington...

High Blood Pressure Linked to Disability Dementia

Mon, 19 Nov 2007 17:05:31 GMT
People with high blood pressure are at increased risk for disability and dementia as they age two new studies suggest. In the first report researchers found that high blood pressure increased the risk of developing disabilities such as ...

Migraine Tied to Thickening in Brain Area

Mon, 19 Nov 2007 16:05:43 GMT
People who suffer from repeated migraines have a thickening in an area of their brains thats involved in processing pain researchers report. But exactly what this means or whether the migraines or the brainthickening come first is not ...

Some Epilepsy Patients Not Always Aware of Seizures

Thu, 15 Nov 2007 14:05:21 GMT
In patients with focal epilepsy simply asking how often they have seizures doesnt provide a true count of their seizure frequency German research suggests. Reminding patients to keep written records of their seizures may not help either...

Scientists Find Way to Track Stem Cells in Brain

Thu, 8 Nov 2007 14:05:21 GMT
The identification of a new marker is making it possible to track brain stem cells for the first time U.S. researchers report. The achievement is already opening doors to new research into depression early childhood development and multip...

Brain Yields Clues to False Memories

Thu, 8 Nov 2007 12:05:19 GMT
The areas of the brain where memory is processed may determine how a person can be absolutely certain of a past event that never occurred otherwise known as a false memory say Duke University Medical Center researchers. They used funct...

Fish Really May Be Brain Food

Thu, 8 Nov 2007 09:05:18 GMT
There may be truth to old adage that eating fish can make you smarter according to three new studies. Each suggests that fish intake particularly the consumption of omega3 fatty acids in fish may improve cognitive performance.

Caffeine Therapy Boosts Preemies Outcomes

Wed, 7 Nov 2007 17:05:25 GMT
Some adults joke they couldnt live without their morning coffee but caffeine may be literally lifechanging if given as treatment to tiny premature infants. New research finds that high doses of caffeine therapy given to babies born very ...

Training Experience Can Change How Brains Work

Mon, 5 Nov 2007 09:05:11 GMT
Training and experience can affect how a persons brain is organized says a U.S. study that compared 20 music conductors and 20 people with no music training. All the participants were between the ages of 28 and 40. The conductors had an a...

Brain MRIs Find Hidden Neurological Problems

Wed, 31 Oct 2007 17:05:34 GMT
Screening MRIs can uncover potential trouble in the brain a new study suggests. As a matter of fact that might happen more than 10 percent of the time according to Dutch researchers who found that 7.2 percent of those who received MRIs h...

Scientists Spot Brain Center for OutofBody Experience

Wed, 31 Oct 2007 17:05:34 GMT
New research is taking a little of the mystery out of the phenomenon known as the outofbody experience. A team of Belgian scientists have linked the sense of disembodiment central to the experience the feeling of leaving ones body ...

Certain Seizure Patients Need Emergency CT Scan

Mon, 29 Oct 2007 16:05:35 GMT
Immediate CT brain scans should be used to screen certain emergency room patients with seizures to help doctors determine the right kind of treatment according to a new guideline developed by the American Academy of Neurology. The guidelin...

Stay Ahead of Head Injuries

Sat, 27 Oct 2007 09:05:20 GMT
In 2006 an estimated 1.1 million people were treated at U.S. hospital emergency departments for head injuries related to common household products and settings such as ladders steps and showers the federal Consumer Product Safety Commission repor...

Worm Study Points to Sexualitys Origins

Thu, 25 Oct 2007 16:05:27 GMT
Sexual attraction is hardwired into the brains of small worms called nematodes say scientists who genetically manipulated some of the creatures to make them attracted to the same sex. The finding might give some insight into sexual attrac...

Brain Region Tied to Amphetamine Addiction

Thu, 25 Oct 2007 14:05:28 GMT
A specific brain region may be crucial to drug addiction according to a new study conducted with amphetamineaddicted rats. This work in rats lines up nicely with new findings in humans involved with drugseeking behavior said one outsi...

Brains Reward Chemical May Help Spur Obesity

Thu, 25 Oct 2007 09:06:14 GMT
A new study provides more evidence that dopamine a brain chemical associated with reward pleasure movement and motivation plays a role in obesity. Researchers at the U.S. governments Brookhaven National Laboratory in Upton N.Y. f...

Bodys Clock Never Adjusts to Daylight Savings Time

Wed, 24 Oct 2007 12:05:50 GMT
Changing to daylight savings time may give people an hour more of sunlight but it appears that their internal body clocks never really adjusts to the change German researchers report. In fact daylight savings time can cause a significant...

Sleepless Nights Make for Grumpier Brains

Mon, 22 Oct 2007 12:33:15 GMT
Ever get a little testy after a bad nights sleep? Scientists may now know why. A new study finds that a lack of sleep causes the brains emotional centers to dramatically overreact to negative experiences. A shutdown of the pref...

Vulnerability to Stress Linked to Brain Molecule

Thu, 18 Oct 2007 12:05:46 GMT
Researchers have identified molecular mechanisms in the brain that may explain why some people are less vulnerable to the stress caused by difficult situations. While the research was done with mice the findings could eventually lead to be...

Antiviral Wont Improve Bells Palsy Outcome

Wed, 17 Oct 2007 17:05:52 GMT
The antiviral drug acyclovir is no better at easing a form of facial paralysis called Bells palsy than traditional treatment a new study finds. The fact that acyclovir may not be a new improved treatment option comes as bad news for pati...

Genes Might Help Drive Overeating

Wed, 17 Oct 2007 09:05:45 GMT
Chronic overeaters may have their DNA to blame research suggests. Scientists from the University at Buffalo say people with genetically lower levels of dopamine a brain chemical that helps make eating and other behaviors more rewarding m...

Lamotrigine May Reduce Epilepsy Seizures

Tue, 16 Oct 2007 14:06:46 GMT
When taken once a day as an added therapy the epilepsy drug lamotrigine is effective in controlling partial seizures an international study finds. The 239 participants aged 13 and older were recruited from the United States and several ...

Technology Advance Could Help Paralyzed

Fri, 12 Oct 2007 14:06:02 GMT
U.S. researchers say theyve developed a new tool for creating prosthetic devices that convert brain signals into movement for patients whove been paralyzed or lost limbs. A team at the Massachusetts Institute of Technology MIT published...

AIDS Drugs May Protect Brain

Thu, 11 Oct 2007 16:07:09 GMT
Preliminary research suggests that potent AIDS drugs might stop the brain damage that afflicts many people infected with HIV. The findings are based upon measurements of a brain protein not extensive cognitive testing so its not clear ex...

Molecule Promising Against Huntingtons Disease

Tue, 9 Oct 2007 16:05:34 GMT
U.S. researchers say theyve found a compound that may lead to a treatment for the hereditary progressive neurological disorder known as Huntingtons disease HD. In mice a molecule called C28 appears to reduce HDrelated neurological d...

Speedy MiniStroke Care Pays Off

Tue, 9 Oct 2007 14:06:06 GMT
Quick assessment and treatment of people whove suffered a minor stroke or transient ischemic attack TIA or ministroke cuts their risk of having a major stroke by 80 percent two new studies find. A TIA causes symptoms similar to a st...

Serious Injury Rare With Police Tasers

Mon, 8 Oct 2007 12:05:46 GMT
Tasers electroshock weapons used by many police departments as a nonlethal way to incapacitate suspects are generally safe and cause only a very low rate of serious injuries say U.S. researchers who reviewed almost 1000 incidents involving the d...

Hormone May Play Key Part in Creating Memories

Thu, 4 Oct 2007 16:05:41 GMT
When you experience an emotionally charged event its something that is etched into your memory and now scientists think they know why. In experiments with mice researchers found that powerful surges of the hormone norepinephrine surg...

Rat Study Gets at Root of Nicotine Addiction

Wed, 3 Oct 2007 16:06:40 GMT
Research in rats has pinpointed a brain mechanism linked to nicotine dependence and to the anxiety and cravings associated with nicotine withdrawal. Researchers at the Scripps Research Institute in La Jolla Calif. said the findings may po...

Toy Blocks Might Boost Toddlers Language Skills

Tue, 2 Oct 2007 16:05:43 GMT
An ageold childrens pastime playing with toy blocks may help boost the language development of middle and lowincome children a U.S. study finds. The pilot study of 175 children ages 1.5 to 2.5 years was funded by a toy block make...

Brain Switch Helps Doctors Deal With Patients Pain

Fri, 28 Sep 2007 16:05:27 GMT
Doctors are able to switch off the part of their brain that helps them appreciate the pain patients experience during treatment and instead turn on a brain area that controls emotions according a study by American and Taiwanese researchers. ...

Music Training Helps Gets People Talking

Wed, 26 Sep 2007 16:06:04 GMT
Music hath charms to improve a persons speech a new study suggests. Music trainings effects on the nervous systems ability to process sight and sound may do more to help enhance a persons verbal skills than even phonics explained res...

Study Offers Insights Into Sensory Perceptions

Mon, 24 Sep 2007 12:13:18 GMT
By studying a woman who experienced sounds as bodily sensations after suffering a small stroke researchers think theyve gained new insight into how the brain processes sensory signals and fixes itself when injured. The woman began having ...

Brain Defect Helps Drive Fragile X Syndrome

Thu, 20 Sep 2007 12:05:07 GMT
A newly discovered brain defect might be a target for the treatment of the inherited mental disorder known as fragile X syndrome researchers report. The discovery in rats provides an understanding of how the gene mutation responsible for t...

Falling Platelet Counts May Signal HIVLinked Dementia

Thu, 13 Sep 2007 12:05:26 GMT
HIVinfected patients with declining blood platelet counts may be at increased risk for HIVassociated dementia which causes a number of cognitive behavioral and motor skill problems researchers report. Researchers at the Bloomberg Schoo...

Imaging Software Helps Track Treat Injured Brains

Wed, 12 Sep 2007 14:05:24 GMT
New software now allows doctors to monitor blood flow through the brain in real time potentially preventing brain damage and death in children with head injuries. Brain trauma is a top killer of children in the Unites States. Almost 47500...

Schizophrenia Gene May Have OnOff Switch

Tue, 11 Sep 2007 14:06:02 GMT
Working with a mouse model of schizophrenia researchers believe they may have found the diseases genetic on/off switch. Understanding how this gene works could lead to the development of better treatments the team said. Researc...

Toddler Study Proves Humans Outsmart Apes

Thu, 6 Sep 2007 14:05:44 GMT
For those needing evidence that humans are brainier than the average ape theres a new study showing that toddlers are better at social learning compared to adult primates. When presented with a tube containing food or a toy twoanda...

Saline Reduces Mortality for Brain Injury Patients

Wed, 29 Aug 2007 17:05:31 GMT
A simple change in the way people with traumatic brain injuries are treated initially might make a big difference in their survival odds a new Australian study suggests. The study found that using saline rather than albumin fluid to maint...

Experiments Get Close to OutofBody Experience

Thu, 23 Aug 2007 14:05:11 GMT
European scientists have come close to replicating the mysterious outofbody experience that trauma survivors sometimes report feeling as death nears. The results of two experiments on healthy volunteers reported in the Aug. 24 issue o...

Scientists Spot Brains Free Will Center

Thu, 23 Aug 2007 12:05:16 GMT
If youve ever been of two minds about doing something a new study may explain why. Scientists say one part of the brain is responsible for initiating action while a totally separate area is in charge of not taking that action.

Study Probes Roots of Fearful Memories

Wed, 22 Aug 2007 09:07:45 GMT
New research is helping scientists understand why frightening traumatic memories go so deep and linger so long in the human brain. A study in rats shows that a powerful neurochemical called norepinephrine is released to help the brain deal...

Vision Restoration Therapy Might Improve Sight for Trauma Stroke Victims

Fri, 17 Aug 2007 17:05:35 GMT
Vision restoration therapy VRT helps increase visionrelated brain activity in patients who are partially blind because of a severe stroke or traumatic brain injury a Columbia University Medical Center study finds. VRT involves visual st...

HIV Delivers Double Whammy to Brain

Wed, 15 Aug 2007 14:05:40 GMT
HIV the virus that causes AIDS often infiltrates the brains of infected patients causing everything from cognitive decline to death. Now new research in mice suggests the virus doesnt just kill brain cells but also prevents replacement...

Hormone Found to Govern Desire for Food

Thu, 9 Aug 2007 14:16:10 GMT
Leptin a hormone that helps to control feelings of hunger also appears to govern the desire to eat British researchers report. The finding could lead to new insights into obesity and how to treat the condition the researchers said. ...

Mars Sleep Cycle Study May Help Earthlings

Wed, 8 Aug 2007 12:06:17 GMT
By synchronizing people to the Martian day U.S. researchers are demonstrating the flexibility of the human biological clock. The study might help further research into sleep woes said researchers in the division of sleep medicine at Brigh...

Antidepressant Effectiveness May Depend on Genes

Thu, 2 Aug 2007 17:05:58 GMT
Researchers say theyve found a key gene variation influencing whether or not people respond to the antidepressant Celexa. Having both this variant and a previously discovered gene means a person is 23 percent more likely to respond to the ...

Science Explores Shift WorkLinked Fatigue

Thu, 2 Aug 2007 16:06:02 GMT
People who work days some weeks and nights another week can now rest assured that theres a chemical basis for the fatigue they feel according to a new study. Argentinian scientists have found that rotating shift workers have lower levels ...

Researchers Watch Music Play in the Brain

Thu, 2 Aug 2007 14:07:21 GMT
The human brains activity shifts along with musics changing moods a new study shows. In fact music may help scientists study the brains ability to organize sensory information into key segments from which it can extract meaning U.S. r...

Orangutans Make Their Point With Charades

Thu, 2 Aug 2007 09:06:06 GMT
The next time you play charades consider an orangutan as a partner. Researchers at the University of St. Andrews in Scotland found that when orangutans use gestures to communicate they employ the same basic strategy that humans use when p...

Doctors Awaken Man 6 Years After Severe Brain Injury

Wed, 1 Aug 2007 14:09:28 GMT
In a scene reminiscent of Oliver Sacks book Awakenings doctors have managed to partially rekindle the mind of a man who had been in a minimally conscious state for six years. The 38yearold patient who was severely braindamaged...

Experts Split on Whether Chief Justice Roberts Has Epilepsy

Tue, 31 Jul 2007 17:06:19 GMT
U.S. Supreme Court Chief Justice John Roberts walked out of a Maine hospital Tuesday morning with a clean bill of health one day after suffering a seizure and falling on a dock near his summer home. But doctors interviewed by HealthDay<...

Lead Less Toxic to the WellRead

Mon, 30 Jul 2007 16:06:30 GMT
Good reading ability may help protect the brain from damage linked to toxic lead a new study shows. Lead was found to be 2.5 times more likely to have negative effects on the brains of adults with limited reading ability than on the brains...

Drug May Shield Brain Cells From Huntingtons Disease

Wed, 25 Jul 2007 09:06:08 GMT
A drug used in some countries to manage Huntingtons disease symptoms is successful in protecting mouse brain cells from early death new research shows. The drug tetrabenazine can actually prevent brain cells from dying study senior ...

Health Tip Feeling Forgetful

Mon, 23 Jul 2007 09:05:47 GMT
If you sometimes have problems remembering things try following these tips from the American Academy of Family Physicians:

Keep lists of things you need to remember a detailed calendar and follow a regular daily routine.

Brain Chemical Could Help Beat Back Despair

Fri, 20 Jul 2007 16:05:58 GMT
A natural brain protein may make people less susceptible to depression and other emotional disorders a new study suggests. Previous research on mice has shown that a brain protein called deltaFosB increases in response to stress. <...

Scientists Unlock Secrets of the Placebo Effect

Thu, 19 Jul 2007 16:07:34 GMT
A new study reveals a brain region behind the placebo effect the phenomenon in which a persons belief in the effectiveness of a treatment boosts its effect. With the placebo effect your belief that a treatment will work actually cause...

Many Brain Cells Seek to Help You Find

Thu, 19 Jul 2007 09:06:35 GMT
Cant find those keys? A new study reveals that a surprising number of brain cells are called into action when humans seek out a particular object. For the study U.S. researchers used functional magnetic resonance imaging fMRI to study p...

Gene Linked to Restless Leg Syndrome Found

Wed, 18 Jul 2007 17:05:46 GMT
Icelandic researchers have discovered a gene thats linked to restless legs syndrome RLS. The research which is in the July 19 issue of the New England Journal of Medicine found a gene variant that increases the odds of having RL...

Fantasy Gaming Gives Insight Into Learning

Fri, 13 Jul 2007 12:05:51 GMT
Fantasy baseball leagues could bring scientists a better understanding of how people learn. Erica and Rich Halverson assistant professors at the University of WisconsinMadison are conducting a study of the organization and rules of play ...

Brain May Be Able to Suppress Memories

Thu, 12 Jul 2007 14:51:54 GMT
Unwanted memories might be willfully banished from human consciousness according to a new study that also outlines just how the brain might accomplish this feat. The research published in the July 13 issue of Science may help end ...

Cigarette Smoking May Lower Parkinsons Risk

Tue, 10 Jul 2007 12:07:37 GMT
Longterm and current smokers have a lower risk of Parkinsons disease than the general population researchers say in a report that confirms previous observations that people with Parkinsons disease were less likely to be smokers. Dr. Bea...

Cigarette Smoking May Lower Parkinsons Risk

Tue, 10 Jul 2007 09:05:19 GMT
Longterm and current smokers have a lower risk of Parkinsons disease than the general population researchers say in a report that confirms previous observations that people with Parkinsons disease were less likely to be smokers. Dr. Bea...

High School Football Brings Brain Trauma Dangers

Fri, 6 Jul 2007 14:09:45 GMT
The number of catastrophic head injuries in high school football far exceeds the number of such injuries in college football a new study finds. In addition the number of high school players who receive such head injuries and then play wit...

Brain Scans Show How Pain Upsets Concentration

Thu, 5 Jul 2007 16:05:56 GMT
THURSDAY July 5 HealthDay News When pain kicks in it triggers a region of the brain known as the lateral occipital complex LOC overriding a persons ability to concentrate and accurately recognize images new research shows. The st...

Brain Circuitry Trouble May Explain Depression

Thu, 5 Jul 2007 14:08:25 GMT
Depression may be triggered by changes within a single circuit in a part of the brain known as the hippocampus a new U.S. study suggests. Researchers at Stanford University School of Medicine used a new brain imaging technique called volta...

Science Quiets Myth of Chatterbox Females

Thu, 5 Jul 2007 14:08:25 GMT
New research finding men and women speak roughly the same number of words each day is likely to get both sexes talking experts say. Researchers recorded the daily conversations of 400 university students in the United States and Mexico ov...

Enzyme Damage Could Be Key to Parkinsons

Thu, 5 Jul 2007 12:05:29 GMT
Disruption of a key cellular enzyme may be a root cause of Parkinsons disease a new study finds. Parkinsons disease occurs when neurons that produce dopamine die. Dopamine is a neurochemical that allows the body to move with smooth coord...

Epilepsy May Raise Suicide Risk

Tue, 3 Jul 2007 09:05:56 GMT
People diagnosed with epilepsy are five times more likely than their peers to commit suicide in the six months following the diagnosis Danish researchers report. According to the study people with epilepsy are three times more likely to ...

Memory Traces May Help Spur Chronic Pain

Thu, 21 Jun 2007 16:05:57 GMT
Even after their injuries have healed some people continue to suffer chronic pain that cant be totally relieved through traditional analgesic drugs such as aspirin and morphine derivatives. Scientists have long tried to uncover the reaso...

To the FirstBorn Go the Smarts

Thu, 21 Jun 2007 14:05:56 GMT
Firstborn children possess IQs that are 2.3 points higher on average than their younger siblings a new study contends. This finding held true even when firstborn children didnt survive and a younger child was reared as the eldest scu...

1st Gene Therapy Trial Effective Against Parkinsons

Thu, 21 Jun 2007 12:05:51 GMT
In an early trial gene therapy has proven both safe and effective in easing the symptoms of Parkinsons disease researchers say. A dozen patients experienced a 25 percent to 30 percent improvement in their total symptoms without any side ...

Antiques Can Pose a Mercury Danger Today

Thu, 14 Jun 2007 16:05:30 GMT
The case of a tippedover clock has put the spotlight on the dangers of mercurycontaining antiques health experts say. Many such items of years gone by including barometers thermometers lamps clocks and mirrors contain the toxin ...

Preschoolers Dont Need Math to Do Math

Wed, 30 May 2007 14:05:56 GMT
Fiveyearolds can come to approximate solutions for addition and subtraction problems even before they formally learn arithmetic a new study suggests. Children do not need to be taught the logic of symbolic addition and subtraction in o...

Sick Sleepless Flies Give Clues to Human Immune Function

Fri, 18 May 2007 14:05:30 GMT
In a finding that could give insight into human sleep patterns U.S. researchers say theres a twoway link between sleep and immune system function in fruit flies. Researchers at Stanford University School of Medicine found that sick fruit...

Mental Development Similar Among Boys Girls

Fri, 18 May 2007 12:05:33 GMT
U.S. scientists are getting the first comprehensive look at how childrens brains and behaviors change over time and its yielding some surprises. It turns out that muchtouted differences in the mental evolution of boys and girls arent s...

Protein May Be Key to Brains Evolution

Tue, 8 May 2007 19:01:44 GMT
A certain form of a protein called neuropsin which plays a role in learning and memory is expressed only in the central nervous system of humans concludes a Chinese study that compared the DNA of humans to several species of monkeys and apes. ...

Mad Cow Vaccine Effective in Mice

Thu, 3 May 2007 19:01:14 GMT
U.S. scientists say theyve developed a vaccine that protects mice from a brain condition similar to mad cow disease. Illnesses such as bovine spongiform encephalopathy or mad cow disease are caused by infectious prion proteins. There are...

Amateur Boxers Also Hit by Brain Injury

Wed, 2 May 2007 19:01:15 GMT
Even amateur boxers who take blows to the head can suffer serious brain damage according to a Swedish study to be presented in Boston this week at the American Academy of Neurologys annual meeting. Despite the high prevalence of brain da...

Vets From First Gulf War Show Brain Differences

Tue, 1 May 2007 19:02:55 GMT
Veterans of the first Gulf War who developed numerous health complaints have areas of the brain that are measurably smaller than those of healthier vets a new study found. The results of the U.S. governmentfunded study are preliminary but...

Health Tip Signs of a Concussion

Tue, 1 May 2007 19:02:55 GMT
A concussion occurs when a sharp blow or force causes the brain to collide with the rigid bones of the skull. Serious concussions can impact the way brain signals are processed. People who have had a concussion may need close supervision an...

Depression May Be Early Sign of Parkinsons Disease

Fri, 27 Apr 2007 19:01:09 GMT
In some cases depression can be an early manifestation of Parkinsons disease new research suggests. Researchers at the Harvard School of Public Health compared antidepressant use among more than 1000 individuals with Parkinsons diseas...

Researchers Identify Genes for Childhood Seizures

Thu, 26 Apr 2007 19:01:06 GMT
French scientists studying four generations of a single family have honed in on two genes associated with feverrelated seizures in infants and children. These febrile seizures are the most common seizure disorder in children affecting 2...

Study Probes Parkinson Drugs Effect on Motivation

Thu, 26 Apr 2007 19:01:06 GMT
Drugs that modify levels of a key brain chemical called dopamine also influence how people react to success and failure British scientists say. They measured the effects of these drugs often used to fight Parkinsons disease on the...

Pumping Cold Air Into Lungs of Coma Patients Questioned

Thu, 26 Apr 2007 15:31:52 GMT
The longterm brain health of patients in a coma or a prolonged vegetative state might be compromised by assistedbreathing protocols that deliver air significantly below normal body temperature two researchers hypothesize. The clinical ...

Gene to Blame for Some Parkinsons Cases

Thu, 26 Apr 2007 15:31:48 GMT
While the origins of Parkinsons disease remain largely unknown a new study confirms that a single gene is the likely culprit in about 3 percent of cases. The alphasynuclein SNCA gene might also be a key player in a wider range of Parki...

Ultrasound Might Affect Babys Brain Development

Thu, 26 Apr 2007 15:31:48 GMT
Preliminary findings in mice suggest that fetal ultrasound might affect newborn brain development. In baby mice whose mothers were exposed to ultrasound for 30 minutes or longer during pregnancy a small but significant number of nerve cell...

Pediatric Brain Trauma Costs 1 Billion Annually

Thu, 26 Apr 2007 15:31:46 GMT
Traumatic brain injuries suffered by children place a significant burden on U.S. health resources costing more than $1 billion in hospital charges each year a new study finds. Skull fracture intracranial bleeding concussion and shaken ...

Pesticide Exposure Damages Nervous System Brain

Thu, 26 Apr 2007 15:31:45 GMT
Exposure to pesticides causes changes to rats nervous systems according to preliminary results of a project led by the Energy amp; Environmental Research Center EERC at the University of North Dakota UND. The project seeks to identif...

Genetic Findings Shed Light on OCD

Thu, 26 Apr 2007 15:31:44 GMT
A newly identified genetic factor may explain how and why obsessivecompulsive disorder OCD runs in families two new studies conclude. Close relatives of people with OCD are up to nine times more likely than other people to develop OCD.<...

Brain Sees Reward Before Risk

Thu, 26 Apr 2007 15:31:43 GMT
California researchers say they have pinpointed the area of the brain that governs gambling behaviors. By using functional magnetic resonance imaging fMRI scientists at the California Institute of Technology in Pasadena confirmed that ...

Iraq War Vets Having Some Mental Difficulties

Thu, 26 Apr 2007 15:31:42 GMT
U.S. soldiers serving in Iraq are prone to mild mental and emotional problems once they return home a new study finds. Both male and female soldiers deployed to Iraq scored lower on measures of what are called neuropsychological abilities...

Brain Activity Predicts Treatment Results for Depression

Thu, 26 Apr 2007 15:31:42 GMT
Factors such as patient beliefs and expectations treatment history and doctorpatient relationships may influence the success of drug therapy for major depression a University of California Los Angeles study suggests. Using electroence...

Amnesia Study Sheds Light on Memory

Thu, 26 Apr 2007 15:31:39 GMT
Experiments where volunteers took an amnesiainducing drug have brought new insight into how humans form memories. The twosession study examined the ability of people to remember words faces landscapes and abstract pictures. The study w...

Scientists Spot Chronic Pain OnOff Switch

Thu, 26 Apr 2007 15:31:39 GMT
U.S. researchers say theyve identified a protein in nerve cells that acts as a kind of gatekeeper for chronic pain. This enzyme called protein kinase G PKG is turned on and activated in response to injury or inflammation. Once activate...

Study Promises Better Drug Delivery to Fight ALS

Thu, 26 Apr 2007 15:31:38 GMT
Drugs to treat amyotrophic lateral sclerosis ALS can be delivered to the brain and spinal cord through cerebrospinal fluid U.S. researchers report. Working with rats researchers delivered therapeutic molecules called antisense oligonucl...

Study Casts Doubt on NSAID Use After Brain Injury

Thu, 26 Apr 2007 15:31:37 GMT
Longterm use of the painkiller ibuprofen after brain injury led to a decline in cognitive abilities in rats a new study found. The findings may have implications for the treatment of patients with traumatic brain injury because they are ...

Predicting the Outlook for Coma Patients

Thu, 26 Apr 2007 15:31:37 GMT
An international team of physicians has drafted a new set of guidelines to help neurologists better predict the longrange outlook for heartattack patients who lapse into a coma after receiving cardiopulmonary resuscitation. What we tried...

Hectic Days Leave Fleeting Memories

Thu, 26 Apr 2007 15:31:36 GMT
No wonder many busy people cant recall what they did yesterday. A new study finds that learning while multitasking results in less available memory later on of the item learned. If youre learning things under distraction w...

Gender Gap in Scientific Research Shows Up in Print

Thu, 26 Apr 2007 15:31:28 GMT
Women still lag behind men in the field of scientific research particularly in getting their work published in prestigious publications. Thats the finding of new research that shows while a greater number of women have become medical rese...

Single Gene Flaw Can Cause Face Blindness

Thu, 26 Apr 2007 15:31:24 GMT
Face blindness an inability to recognize faces is a common hereditary disorder that runs in families German researchers conclude. The study also found that face blindness or prosopagnosia is one of the most frequent disorders app...

Aphasia A Virtual Prison That Can Be Escaped

Thu, 26 Apr 2007 15:31:23 GMT
Youre like a prisoner in your own mind: People talk but you cant understand a word theyre saying even though they seem to get what youre telling them. Or you can comprehend what someone is telling you but when you try to respond not...

Neurologists Can Improve Deep Brain Therapy for Parkinsons

Thu, 26 Apr 2007 15:31:20 GMT
Neurologists with expertise in a therapy called deep brain stimulation can help improve outcomes for Parkinsons disease patients undergoing the treatment a Canadian study finds. Deep brain stimulation is a surgical procedure in which elec...

Transgendered Professor Stirs Debate Over Women in Science

Thu, 26 Apr 2007 15:31:20 GMT
When former Harvard University President Larry Summers voiced the opinion last year that women might be intellectually inferior to men when it comes to math and science he touched off a nationwide firestorm of controversy. Now Stanford Un...

BrainComputer Link Aids Paralyzed Patient

Thu, 26 Apr 2007 15:31:20 GMT
In the first such experiment in humans researchers say a quadriplegic patient with spinal cord injury produced brain signals that allowed him to shift a cursor on a computer screen. Using signals picked up by a sensor implanted in his brai...

Apathy Without Depression a Sign of Parkinsons

Thu, 26 Apr 2007 15:31:18 GMT
Parkinsons disease patients can be apathetic without being depressed and apathy may be a core characteristic of Parkinsons U.S. research shows. This study shows that its important to screen for both apathy and depression so patients c...

Sleep Strengthens Memory

Thu, 26 Apr 2007 15:31:18 GMT
Sleep seems critical to memory particularly the ability to recall recently learned fact and events researchers report. Known as declarative memories these differ from nondeclarative memories or how to memories those have alread...

Enron Founders Death Linked to Heart Disease

Thu, 26 Apr 2007 15:31:15 GMT
Although stress undoubtedly contributed to Enron Corp. founder Kenneth Lays heartattack death Wednesday heart disease was the main culprit according to the initial autopsy report. What hed been going through undoubtedly played a role...

BrainWasting Proteins May Affect Heart

Thu, 26 Apr 2007 15:31:15 GMT
Mice infected with the agent of scrapie a brainwasting disease of sheep suffered heart damage and had high levels of the scrapie agent in their heart about two years after they were infected in the brain a new U.S. study finds. The ...

Brain May Be HardWired to Track Team Sports

Thu, 26 Apr 2007 15:31:15 GMT
When soccer fans gather Sunday to watch France and Italy do battle in Berlin during the World Cup finals new research suggests the enraptured audience will be better able to follow every artful pass and blistering shot on goal because of the brilli...

DDT Linked to Developmental Delays in Babies

Thu, 26 Apr 2007 15:31:14 GMT
New research out of California suggests that DDT causes developmental delays in infants whose mothers were exposed to the pesticide. DDT is currently banned in the United States but officials in Africa are considering expanding its use to ...

Doctors Probe Miracle Rebirth of a LongDormant Mind

Thu, 26 Apr 2007 15:31:13 GMT
Almost 20 years after suffering a severe brain injury in a truck accident Terry Wallis uttered an astounding word. Mom. It was the first word Wallis of Mountain View Ark. had been able to speak since sinking into a minima...

Exelon Approved for Parkinsons Dementia

Thu, 26 Apr 2007 15:31:10 GMT
The first drug to treat dementia associated with Parkinsons disease has been approved by the U.S. Food and Drug Administration. Novartis Pharmaceuticals Exelon rivastigmine tartrate is already sanctioned to treat mildtomoderate dement...

Cell Phones Found to Activate Brain Areas

Thu, 26 Apr 2007 15:31:08 GMT
Cell phones appear to have a measurable physical impact on parts of your brain new Italian research contends. Such an impact could possibly help if you suffer from migraines or other neurological disorders the authors of a study publish...

Health Tip Restless Legs Are a Real Disorder

Thu, 26 Apr 2007 15:31:06 GMT
Restless legs syndrome is a neurological disorder with unknown cause. The Restless Legs Syndrome Foundation says RLS may be a side effect of another underlying condition and it often occurs during pregnancy. Symptoms of RLS in pregnant women typica...

Human Mad Cow Could Cause Eventual Epidemic

Thu, 26 Apr 2007 15:31:06 GMT
Variant CreutzfeldtJakob disease the human form of mad cow disease has an incubation period of half a century and could cause an eventual epidemic British researchers report. In findings published in the June 24 issue of The Lanc...

Researchers Reverse Parkinsons Symptoms in Animals

Thu, 26 Apr 2007 15:31:05 GMT
Focusing on a protein that mysteriously accumulates in the brains of people with Parkinsons disease researchers have discovered a biological pathway that might some day lead to better treatments for the neurological condition. Clumps of t...

Heart Drugs May Help Shield Brain Cells From Stroke

Thu, 26 Apr 2007 15:31:01 GMT
New laboratory research suggests that digoxin and digitoxin two widely used heart drugs could protect the brain from damage during a stroke. The findings are preliminary and scientists have only tested the drugs on the brain cells of rat...

Iron in Infant Formula May Raise Adult Parkinsons Risk

Thu, 26 Apr 2007 15:30:56 GMT
The high amount of iron consumed by babies reared on infant formula may increase their risk for developing Parkinsons disease as adults suggests a study involving mice. The study revealed that baby rodents weaned on a ironfortified formu...

Seizures Dont Always Signal Epilepsy

Thu, 26 Apr 2007 15:30:55 GMT
Not all seizures are caused by epilepsy but psychological seizures can be hard for even trained medical professionals to distinguish from epileptic seizures new research has found. Psychological or psychogenic nonepileptic seizures...

Health Tip Know the Signs of NPH

Thu, 26 Apr 2007 15:30:55 GMT
Normal pressure hydrocephalus NPH is caused when the flow of cerebrospinal fluid has been blocked triggering fluid buildup and pressure on areas of the brain. When the brain is compressed in this way a person may show signs of lack of ...

Study Shows Impact of Parkinsons Gene

Thu, 26 Apr 2007 15:30:54 GMT
Researchers report that inheriting even one copy of a mutated gene known to cause Parkinsons disease might trigger early symptoms. The parkin gene already known to hasten the age at which Parkinsons symptoms appear was previ...

Science Sniffs Out the Secrets of Scent

Thu, 26 Apr 2007 15:30:54 GMT
When you stop to smell the roses what you are actually doing is using nerve cells in the brains olfactory bulb to identify and combine together a host of chemicals that your brain then registers as a rose. So concluded researchers at Du...

Hypoglycemic Episodes Wont Damage Brain

Thu, 26 Apr 2007 15:30:52 GMT
Although diabetics who keep their blood glucose levels at the normal level reduce their risk of complications they may also increase their chances of experiencing hypoglycemia or dangerously low blood sugar a new U.S. study says. But ano...

Two Drugs Help Shield Newborns From Toxoplasmosis

Thu, 26 Apr 2007 15:30:39 GMT
Two antiparasitic drugs pyrimethamine and sulfadiazine given during the first year of life can reduce eye and brain damage for children with a dangerous infection called congenital toxoplasmosis new research shows. The parasite that ca...

Research Reveals Blood Sugars Effect on Wakefulness

Thu, 26 Apr 2007 15:30:37 GMT
Ever notice that hunger can sharpen your senses while a full satisfying meal leaves you yearning for a nap? The key to this response is the simple sugar glucose and British researchers have discovered how it works its neural magic. ...

Teens With Bipolar Disorder Misinterpret Facial Expressions

Thu, 26 Apr 2007 15:30:37 GMT
A new study may explain why children with bipolar disorder tend to be more aggressive and irritable and have poorer social skills than healthy children. The study conducted at the U.S. National Institute of Mental Health shows that bipol...

Study Compares Brain Aneurysm Treatments

Thu, 26 Apr 2007 15:30:35 GMT
Two techniques coiling and clipping of brain aneurysms produce similar effective results over the long term concludes a U.S. study of 1010 patients at eight institutions. While it is true that some aneurysms can only be treated wi...

NerveBased Depression Treatment May Take a Year to Work

Thu, 26 Apr 2007 15:30:35 GMT
Vagal nerve stimulation a new type of therapy for treatmentresistant depression can take between three and 12 months before its benefits are first felt by patients researchers find. A vagal nerve stimulator is implanted in the chest wit...

Workplace Lead Exposure Brings LongTerm Brain Damage

Thu, 26 Apr 2007 15:30:31 GMT
Eighteen years after they were last exposed to lead on the job workers showed significant brain cell loss and brain tissue damage a new U.S. study shows. The study included 532 former employees whod worked at a chemical manufacturing pla...

Cooling Brain Improves Cardiac Arrest Outcomes

Thu, 26 Apr 2007 15:30:28 GMT
Cooling the body and brain in a controlled way can help prevent neurological damage and improve survival after a person suffers cardiac arrest a U.S. study finds. Cardiac arrest results in reduced blood flow and oxygen to the brain which ...

Brain Scans Get at Roots of Prejudice

Thu, 26 Apr 2007 15:30:24 GMT
The human brain may have a builtin mechanism for keeping racially or politically distinct groups apart a new Harvard study suggests. U.S. researchers observed the brain activity of liberal college students who were asked to think about Ch...

Research Reveals How Prozac Triggers New Brain Cell Growth

Thu, 26 Apr 2007 15:30:23 GMT
Experts have long suspected that one way antidepressants such as Prozac Paxil and Zoloft dispel depression is by stimulating the growth of new brain cells. Now researchers say theyve zeroed in on just how that happens. It was ...

Hunt for ALS Genes Begins

Thu, 26 Apr 2007 15:30:22 GMT
U.S. scientists say theyve launched the first indepth screening for genes linked to the fatal neurodegenerative disease sporadic amyotrophic lateral sclerosis ALS or Lou Gehrigs disease. ALS destroys the motor neurons that enable move...

Mouse Study Finding May Help Battle MS

Thu, 26 Apr 2007 15:30:19 GMT
Blocking a chemical signal called interferongamma helped prevent harm to cells that surround and protect nerves in mice researchers report. The approach could lead to new treatments for diseases such as multiple sclerosis MS. ...

Anticipation Heightens Smokers Desire

Thu, 26 Apr 2007 15:30:18 GMT
Even watching someone smoke may be harmful a new study suggests. When smokers anticipate having a cigarette in the near future their brains are affected more by external clues such seeing someone else smoke than by their level of cr...

Its Not a Real Coma It Just Looks Like One

Thu, 26 Apr 2007 15:30:16 GMT
Hollywood may do a masterful job of portraying many of lifes gravest ills but when it comes to depicting comas the film industry deserves two thumbs down a new study contends. Wrong or misleading portrayals of a coma can possibly lead t...

Pheromones Point to Sexual Orientation

Thu, 26 Apr 2007 15:30:16 GMT
Lesbians react differently to the powerful sexual chemicals called pheromones than heterosexual women do a new Swedish study finds. However lesbians dont respond to pheromones in exactly the same way as heterosexual men do said study au...

Study Explores Anatomy of Dread

Thu, 26 Apr 2007 15:30:12 GMT
An experiment funded by the National Institute on Drug Abuse finds that feeling dread about an approaching event is a question of how much attention you pay to that event. Why should the National Institute on Drug Abuse be concerned with th...

Treated Jaundice Not Likely to Leave Lasting Effects

Thu, 26 Apr 2007 15:30:12 GMT
Parents of infants whove been jaundiced can breathe a sigh of relief because a new study confirms what doctors have suspected all along as long as the baby receives proper treatment there should be no lasting neurological damage. There...

Neurologic Problems May Boost PTSD Risk

Thu, 26 Apr 2007 15:30:11 GMT
A study of Vietnam veterans and their identical twins suggests that minor neurologic problems may make people more susceptible to posttraumatic stress disorderPTSD. The researchers found that both veterans with PTSD and their identical t...

Lighting Up Brain Tumors Improved Survival in Short Term

Thu, 26 Apr 2007 15:30:06 GMT
Lighting up brain tumors so their edges can be more clearly seen resulted in more thorough removal of tumors and a significant delay in cancer recurrence for patients. According to the authors of a German study in the May issue of Lancet...

Blood Test Predicts Brain Injury Outcome

Thu, 26 Apr 2007 15:30:06 GMT
Blood levels of magnesium in patients whove just suffered traumatic brain injury could help predict outcomes researchers report. A team at the University of Pittsburgh Brain Trauma Research Center measured initial blood magnesium levels i...

Gene May Help Spur Deadly Brain Aneurysms

Thu, 26 Apr 2007 15:30:05 GMT
A variation in a single gene may help boost the risk for brain aneurysms British researchers report. An aneurysm is a bulge in an artery that weakens the wall of the artery and can result in a potentially lethal rupture. In the s...

Hemoglobin Solution Could Limit Brain Injury

Thu, 26 Apr 2007 15:30:05 GMT
Resuscitation with a special hemoglobin oxygencarrying solution may cut risks for secondary brain injury in patients with traumatic brain injury and hemorrhage new research shows. The solution called HBOC201 is a type of balanced salt ...

Parkinsons Gene Reveals Its Secrets

Thu, 26 Apr 2007 15:29:12 GMT
Scientists say theyve discovered how a gene mutation linked to an inherited form of Parkinsons disease damages the brain. The LRRK2 gene produces malfunctioning proteins that stunt the normal growth and branching of dopamineproducing neu...

Zinc a Key Player in Neuron Transmissions

Thu, 26 Apr 2007 15:29:11 GMT
Zinc plays an important role in the transmission of signals between nerve cells neurons in the brain and spinal cord a new European study says. Researchers bred mice with a mutation that affected a zinc receptor in neurons and found tha...

Sorry Kids School Tests iDoi Enhance Learning

Thu, 26 Apr 2007 15:29:09 GMT
Most students dread them but school tests do help kids remember everything theyve learned even information thats not on the tests new research shows. In three experiments with 54 to 84 undergraduates researchers at Washington Univer...

DeepBrain Stimulation Eases Movement Disorder

Thu, 26 Apr 2007 15:28:59 GMT
Deepbrain stimulation appears to be effective in treating patients with the movement disorder called dystonia even when those patients no longer respond to medication. Dystonia is a neurological disorder characterized by involuntary muscl...

Infant Iron Deficiency Lowers Teen Test Scores

Thu, 26 Apr 2007 15:28:58 GMT
Teens who were irondeficient as infants scored lower on cognitive tests of thinking learning and memory than their peers and this gap is particularly evident among poor children new research shows. Previous research has found that child...

Electric Current During Sleep Boosts Memory

Thu, 26 Apr 2007 15:28:57 GMT
A popular theory suggests that sleep helps fix memories in the brain and new research finds that passing a gentle electric current through the sleeping brain improves memory even more. In this new study researchers show that using an e...

SIDS Linked to Abnormal Brain Biology

Thu, 26 Apr 2007 15:28:54 GMT
While there are steps parents can take to help protect their babies from sudden infant death syndrome like putting babies to sleep on their backs these measures cant stop all cases of SIDS. Thats likely because some children have abnor...

Parkinsons Patients Face Tough Treatment Balancing Act

Thu, 26 Apr 2007 15:28:53 GMT
Actor Michael J. Foxs appearance last week in a controversial electionseason TV ad supporting stemcell research showed him displaying flailing disturbingly uncontrolled movements. In a backlash to the Missouri ad Foxs political oppone...

Elephants Recognize Themselves in Mirrors

Thu, 26 Apr 2007 15:28:53 GMT
Mirror mirror on the wall whos the fairest pachyderm of them all? U.S. scientists say theyve found the first evidence that elephants can recognize themselves in mirrors which means they join humans apes and dolphins in a select group ...

Neurons Dictate Which Birds of a Feather Flock Together

Thu, 26 Apr 2007 15:28:52 GMT
When you meet someone new what makes you put out your hand and say hi or skulk away without even a smile? The answer lies somewhere in your brain. And new research into the neural circuitry of both gregarious and antisocial birds may he...

Brain Protein Could Limit Stroke Damage

Thu, 26 Apr 2007 15:28:45 GMT
An injection of a brain protein called granulocytecolony stimulating factor GCSF improved recovery from stroke in rats even when they received the injections three days after the stroke German researchers report. In the brain natural...

Health Tip Symptoms of Stroke

Thu, 26 Apr 2007 15:28:44 GMT
A stroke occurs when blood flow to the brain is disrupted. It can lead to permanent disability and death. Here are some warning signs courtesy of the National Institute of Neurological Disorders and Stroke:

Numbness weak...

Animal Study Links Teen Aggression With Prozac

Thu, 26 Apr 2007 15:28:42 GMT
Scientists have uncovered clues as to why children and adolescents may get more aggressive or even suicidal while taking the widely prescribed antidepressant Prozac. A new study has found that juvenile hamsters became aggressive on low dose...

Stem Cell Transplant Shows Promise Against ALS

Thu, 26 Apr 2007 15:28:42 GMT
New stem cell research in rats may lead to treatments that slow amyotrophic lateral sclerosis ALS also known as Lou Gehrigs disease. Grafting human stem cells into the lower spine of rats bred to duplicate the neurological illness delay...

Female Sex Hormone Could Treat Brain Injury

Thu, 26 Apr 2007 15:28:41 GMT
Progesterone a female sex hormone may help treat traumatic brain injury TBI U.S. scientists report. We found encouraging evidence that progesterone is safe in the setting of TBI with no evidence of side effects or serious harmful eve...

Link Between BreastFeeding and Childs IQ Debunked

Thu, 26 Apr 2007 15:28:39 GMT
Breastfeeding offers many benefits but boosting your childs IQ is not one of them says a U.K. study of almost 5500 American children and their mothers. Breastfed babies may be smarter but thats only because their mothers are smarte...

Dopamine Plays Critical Role in Sleep

Thu, 26 Apr 2007 15:28:38 GMT
The brain chemical dopamine plays an important role in regulating sleep and brain activity associated with dreaming a Duke University Medical Center study finds. Dopamine is a neurotransmitter that carries signals between neurons brain ...

Genes May Dictate Response to Stress

Thu, 26 Apr 2007 15:28:38 GMT
Whether or not you have one or another variant of a particular gene could determine your response to lifes ups and downs a new study finds. A U.S. team has found a variant of the serotonin transporter gene that may predispose individuals ...

Study Spots the Brains Selfishness OffSwitch

Thu, 26 Apr 2007 15:28:34 GMT
Civil society may hinge on a tiny piece of tissue at the front of the human brain a new study suggests. Experiments involving a fairness game show that the right side of this region called the dorsolateral prefrontal cortex helps p...

Research Sheds Light on Rare Genetic Disorder

Thu, 26 Apr 2007 15:28:34 GMT
Insight into a key protein is helping experts better understand a rare cognitive disorder called WilliamsBeuren syndrome. People with this syndrome have unusual facial appearance heart problems and a form of mental retardation that makes...

Overeating a Form of Addiction

Thu, 26 Apr 2007 15:28:31 GMT
Eating can be a form of addiction for obese people suggests a new study that used a device to monitor stomachtobrain signals. We found that areas of the brain that received signals were the hippocampus which is involved in memory and e...

Young Athletes May Underreport Concussion Symptoms

Thu, 26 Apr 2007 15:28:24 GMT
Doctors who rely on young athletes reports of concussion symptoms may be sending the athletes back to play too soon according to a new study. Reporting in the October online issue of the American Journal of Sports Medicine Univer...

StemCell Trial for Neurodegenerative Pediatric Disease to Get Under Way

Thu, 26 Apr 2007 15:28:24 GMT
A phase I trial to test the safety of stemcell transplants to treat Batten disease a rare yet fatal neurodegenerative disorder is about to get started at Oregon Health amp; Science Universitys OHSU Doernbecher Childrens Hospital. A ...

New Device Tested to Predict Epileptic Seizures

Thu, 26 Apr 2007 15:28:23 GMT
A new device may be able to predict epileptic seizures before they become debilitating researchers at the Massachusetts Institute of Technology report. The device uses an existing epilepsy treatment known as a vagus nerve stimulator VNS...

Brain Helps Keep Emotions at Bay

Thu, 26 Apr 2007 15:28:22 GMT
A new study may reveal how people function amidst distracting emotions. Published in the Sept. 21 issue of Neuron the findings suggest the human brain is able to prevent emotions from interfering with mental functioning. ...

Boxing Delivers Lethal Blow to Brain Cells

Thu, 26 Apr 2007 15:28:15 GMT
Amateur boxing can knock out precious brain cells Swedish researchers report. Reporting in the September issue of the Archives of Neurology researchers at Goteborg University analyzed the spinal fluids of 14 Swedish amateur boxer...

Stopovers May Ease Jet Lag

Thu, 26 Apr 2007 15:28:12 GMT
If you suffer from severe jet leg it may be because your body overshoots as it attempts to adjust to large leaps forward in time new research shows. In order to help the body more easily adjust to time changes travelers shouldnt advance...

Brain Stimulation Effective for Parkinsons

Thu, 26 Apr 2007 15:28:03 GMT
Deep brain stimulation a surgical procedure to reduce Parkinsons symptoms is more effective for patients with advanced disease than medication and may have fewer side effects than drugs do. Those are the conclusions of a new study th...

Nun Study Counters Notion of God Spot in Brain

Thu, 26 Apr 2007 15:28:03 GMT
Hightech MRIs of the brains of a group of nuns suggest there is no single socalled God spot in the brain. Instead mystical experiences appear to involve a number of brain regions and systems that normally control a variety of functions...

Denial and Death on Mount Everest

Thu, 26 Apr 2007 15:27:58 GMT
One in 10 mountain climbers die while trying to scale Mount Everest at 29035 feet 8850 meters the worlds tallest peak. Injuries and exhaustion are the leading causes of mortality. But altitude sickness is a significant threat and a...

Fatherhood May Alter the Brain

Thu, 26 Apr 2007 15:27:57 GMT
THURSDAY Aug. 24 HealthDay Does being a dad change a mans brain? The answer isnt clear in humans but a study with tiny monkeys called marmosets suggests fatherhood may alter gray matter. Researchers say the structure of the brain i...

Sleep Apnea in Children Linked to Lower IQ Scores Learning Impairment

Thu, 26 Apr 2007 15:27:55 GMT
Children with untreated sleep apnea perform significantly worse on IQ tests and may have some brain impairment that could hinder their ability to learn new tasks according to new research from Johns Hopkins University. This is paving ne...

24Hour Lighting May Disrupt Newborns BioClock

Thu, 26 Apr 2007 15:27:53 GMT
Constant exposure to the lights in neonatal intensive care units could upset the development of premature babies biological clocks a new study suggests The study found that exposing baby mice to constant light prevented the master biologi...

Heart Drug May Help Reopen Arteries After Stroke

Thu, 26 Apr 2007 15:27:50 GMT
Combining the drug argatroban with intravenous recombinant tissue plasminogen activator rtPA may help promote faster and more complete opening of the arteries of ischemic stroke patients a small study suggests. Ischemic stroke occurs whe...

A Biological Basis for Being a Couch Potato

Thu, 26 Apr 2007 15:27:48 GMT
Different brain biology may explain why some people tend to be couch potatoes while others are more active. Thats the conclusion of a U.S. study that found some brains may naturally encourage restless behaviors that burn calories and help ...

Inherited Aneurysm Gene Erupts Earlier in Next Generation Study

Thu, 26 Apr 2007 15:27:03 GMT
People whove inherited a brain aneurysm weakened blood vessel may experience a dangerous blood vessel rupture at an earlier age than relatives from the previous generation did a new U.S. study says. This genetic anticipation occurs ...

MarijuanaLike Brain Chemicals Ease Parkinsons Symptoms in Mice

Thu, 26 Apr 2007 15:27:02 GMT
Manipulation of brain molecules similar to those found in marijuana provided dramatic relief of Parkinsonslike symptoms in mice researchers report. This might be a target for treatment that could cure the motor deficits seen in Parkinso...

Brain Stents Might Help HighRisk Stroke Patients

Thu, 26 Apr 2007 15:27:01 GMT
People at high risk of stroke because of narrowed blood vessels in the brain benefit from having flexible tubes known as stents implanted to keep those arteries open a Chinese study finds. That might seem to be common sense but an America...

Science Tracks How the Brains Clock Ticks

Thu, 26 Apr 2007 15:26:59 GMT
Scientists have developed a new model of how the brain tells time which challenges the popular theory of an internal clock that generates and counts regular fixed moments. Researchers at the University of California Los Angeles suggest t...

LSD Study Probes Hallucinogens Effect on Brain

Thu, 26 Apr 2007 15:26:57 GMT
Scientists are examining the responses of mice to learn more about how psychedelic drugs such as LSD mescaline and magic mushrooms work on the brain. Besides providing new insights into hallucinogens the study opens a door to understand...

OneQuarter of Vaginal Births Cause Tiny Brain Hemorrhages

Thu, 26 Apr 2007 15:26:56 GMT
In news thats sure to concern expectant mothers everywhere researchers are reporting that as many as 26 percent of all babies born vaginally may experience bleeding in the brain caused by the birthing process. But the researchers from ...

Brain Region That Fuels Addiction Found

Thu, 26 Apr 2007 15:26:53 GMT
A small area of the brain nestled inside the cerebral cortex might explain why smoking is such a hard habit to break. A new study of 69 smokers with brain injuries showed that those who had damage to the insula often quit smoking suddenly a...

Why Do Good Brain Study Offers Clues

Thu, 26 Apr 2007 15:26:47 GMT
People may not perform selfless acts just for an emotional reward a new brain study suggests. Instead they may do good because theyre acutely tuned into the needs and actions of others. Scientists say a piece of the brain linke...

Past Future May Have Common Link in Brain

Thu, 26 Apr 2007 15:26:46 GMT
Some people with amnesia not only have difficulty recalling the past they also have trouble imagining future experiences concludes a study by British researchers. It has long been known that damage to the hippocampus an area of the brain...

Scientists Probe the Idle Mind

Thu, 26 Apr 2007 15:26:46 GMT
Flitting from one thought to the next the brain at rest seems random and scattered. But new brainimaging research suggests the wandering mind may have purpose too. This type of thought could be a sort of default state of the mind a...

Combo Therapy Offers Hope for Krabbes Disease

Thu, 26 Apr 2007 15:26:43 GMT
By using a combination of bone marrow transplants and gene therapy U.S. researchers were able to greatly extend the lives of mice with a fatal neurodegenerative disease thats similar to Krabbe disease in humans. Krabbe disease also calle...

Anesthetic Linked to Alzheimers Risk

Thu, 26 Apr 2007 15:26:43 GMT
The commonly used anesthetic isoflurane can lead to the death of brain cells and the production of amyloidbeta plaque a hallmark of Alzheimers disease Harvard researchers report. Their study appears in the January issue of the Journa...

Lower IQs in Childhood Linked to AccidentProne Adulthood

Thu, 26 Apr 2007 15:26:40 GMT
WEDNESDAY Jan. 10 HealthDay News The lower your IQ in childhood the more accidentprone you might be as an adult. New research finds that people who had lower intelligence scores as children were more likely to be hospitalized with ac...

Brain Bleeds From Blood Thinner on the Rise

Thu, 26 Apr 2007 15:26:38 GMT
The rate of bleeding in the brain associated with use of the anticoagulant drug warfarin quintupled during the 1990s University of Cincinnati researchers reported Monday. Moreover in people over 80 the rate of brain hemorrhages associat...

PTSD Patients Have Diminished Pain Response

Thu, 26 Apr 2007 15:26:37 GMT
People struggling with posttraumatic stress disorder PTSD may be less sensitive to pain researchers report. PTSD is an anxiety disorder that may occur when a person is exposed to a traumatic event. People with PTSD may wake up often r...

Parkinsons Drugs Can Damage Heart Valves

Thu, 26 Apr 2007 15:26:34 GMT
Two drugs commonly used to treat Parkinsons disease can cause harm to heart valves according to two studies in the Jan. 4 New England Journal of Medicine. The drugs pergolide and cabergoline are both from a class of medication...

Discovery Shows How Brain Stimulates Hunger

Thu, 26 Apr 2007 15:26:34 GMT
Researchers from the Yale University School of Medicine have uncovered a complex series of events in the brain that stimulate hunger during fasting. A study published in the January issue of Cell Metabolism found that during periods ...

Brain Uses Past to Peer Into Future

Thu, 26 Apr 2007 15:26:34 GMT
Your past may be key to your dreams for the future new research suggests. In experiments using hightech brain imaging scientists have found that neurological memory centers are highly active whenever people envision upcoming events. ...

Expert Tips Can Head Off Head Injury

Thu, 26 Apr 2007 15:26:31 GMT
FRIDAY Dec. 29 HealthDay News Simple steps can help prevent severe head injuries say experts at the American Association of Neurological Surgeons. In 2005 about 1 million people were treated at U.S. hospital emergency rooms for head ...

Stressed Out Grab Hubbys Hand

Thu, 26 Apr 2007 15:26:27 GMT
If youre a woman stressed out from work holiday shopping the kids or even too much traffic grab your husbands hand for instant relief. And if youre spouseless? Holding any males hand is better than none. Thats the conclu...

Health Tip Understanding Ataxia

Thu, 26 Apr 2007 15:26:27 GMT
Ataxia a Greek word meaning incoordination describes a class of nervous system conditions that cause people to have uncontrolled movement of the limbs face and body. Ataxia may be inherited or it can be brought on by other diseases or c...

Brain Is Not Wired for Consistency

Thu, 26 Apr 2007 15:26:26 GMT
Brain inconsistency is why you cant reliably repeat that perfect fastball or golf swing says a Stanford University study. The main reason you cant move the same way each time such as swinging a golf club is that your brain cant plan ...

Tinnitus Type Affects Severity Symptoms

Thu, 26 Apr 2007 15:26:23 GMT
The ringing or buzzing in the ears known as tinnitus varies among patients according to the conditions clinical characteristics German researchers report. People with tinnitus have ringing buzzing or whistling sounds in one or both ears....

911 Study Offers Insight Into How Memories Are Formed

Thu, 26 Apr 2007 15:26:23 GMT
Most Americans remember where they were on the morning of Sept. 11 2001. But a new brainscan study suggests that not all those memories were created equally. If you were near the World Trade Center your memories are qualitativ...

Human Sense of Smell Nothing to Sniff At

Thu, 26 Apr 2007 15:26:23 GMT
Lost in the dark without sight sound or clue? Follow your nose. New olfactory research suggests that when it comes to tracking scent at groundlevel on open terrain the average humans sense of smell is stronger than most people believe...

Study Finds Laughter Is Truly Contagious

Thu, 26 Apr 2007 15:26:20 GMT
Laughter is contagious and U.K. scientists say theyve identified how your brain is infected by mirth. Researchers at University College London UCL found that hearing laughter and other positive sounds trigger a response in the area o...

Rare Gene Brings Life Without Pain

Thu, 26 Apr 2007 15:26:20 GMT
A rare genetic mutation makes it impossible for an otherwise healthy carrier to feel pain researchers report. The mutation discovered in three related families in northern Pakistan advances the understanding of the genetic basis of p...

Brain Lesions After Stroke May Predict Future Episodes

Thu, 26 Apr 2007 15:26:20 GMT
Ischemic stroke patients who have recurrent asymptomatic brain lesions within three months of their initial stroke are at increased risk for subsequent strokes says a U.S. study in the December issue of the journal Archives of Neurology. ...

Younger Siblings May Boost Brain Tumor Risk

Thu, 26 Apr 2007 15:26:19 GMT
Can the number of brothers and sisters you have affect your risk of developing a brain tumor? Possibly German researchers report. They found that children with three or more younger siblings face two to four times the risk of developing a ...

Hysteria a Real Neurological Condition Study

Thu, 26 Apr 2007 15:26:18 GMT
Hysteria where patients complain of an ailment with no discernable cause is not an imaginary disorder say Canadian researchers. The team used brain imaging scans to detect evidence of cerebral dysfunction in three women with the c...

Huntingtons Disease Linked to High Brain Cholesterol

Thu, 26 Apr 2007 15:26:16 GMT
U.S. researchers have spotted a link between Huntingtons disease and abnormal levels of cholesterol in the brain. Huntingtons disease is a progressive brain condition in which the brains nerve cells waste away. Symptoms include uncontrol...

Study Identifies Key Gene in Nicotines Reward Effect

Thu, 26 Apr 2007 15:26:14 GMT
Yale University researchers say theyve spotted a gene that plays an important role in how nicotine affects the brain. In research with mice the team found that nicotine can increase the activity of a molecule called CREB in a brain area c...

Common PTSD Drug May Be Useless

Thu, 26 Apr 2007 15:26:11 GMT
A drug long used to treat posttraumatic stress disorder appears to have done patients no good and may even have done some harm. In the firstever randomized placebocontrolled trial of guanfacine for the alleviation of posttraumatic stre...

Stressful Sleep Loss May Impair Memory

Thu, 26 Apr 2007 15:26:09 GMT
Stressful sleepless nights may impair learning and memory retention new research suggests. Researchers say stressedout rats kept up for three days straight failed to produce adequate new cells in the brains hippocampus an area though...

Smoking Upsets PleasurePain Neurochemistry

Thu, 26 Apr 2007 15:26:09 GMT
Smoking alters brain chemistry linked to pleasure and pain a new German study finds. Researchers used proton magnetic resonance spectroscopy MRS to examine the brains of 21 men and 22 women ages 21 to 59 two weeks after they began a sm...

Video Game Violence Goes Straight to Kids Heads

Thu, 26 Apr 2007 15:26:08 GMT
A study of adolescents finds that violent video games stir up the brains emotionalresponse center while reducing activity in regions linked to selfcontrol. This is the first time that it has been demonstrated that violent video games ca...

Popular Brands May Brand the Brain

Thu, 26 Apr 2007 15:26:08 GMT
Marketers may have your number neurologically speaking: A new study finds that familiar brands evoke faster more positive responses in the brain than lesserknown brands. In tests on young adults using realtime functional MRI fMRI the...

Chemo Temporarily Shrinks Brain Areas Study Finds

Thu, 26 Apr 2007 15:26:07 GMT
Chemotherapy promotes a shortterm but apparently reversible shrinkage of key brain areas new research shows. These changes could explain the impairment of thinking memory and focus that many cancer patients complain of after treatment...

Deep Brain Stimulation Can Boost Memory

Thu, 26 Apr 2007 15:13:54 GMT
Deep brain stimulation DBS appears to help improve memory in people with severe psychiatric disorders such as toughtotreat depression and obsessive compulsive disorder a U.S. study finds. DBS involves the implantation of electrodes in ...

Insomnia Hits Night Owls Harder

Thu, 26 Apr 2007 15:13:54 GMT
Insomnias effects may depend on just when a person prefers to hit the sack. According to new research night owls suffer more from insomnia than those who try and get their zs earlier on. Night owls also tended to be mo...

Glucose Triggers Brain Damage After Hypoglycemic Coma Study

Thu, 26 Apr 2007 15:13:52 GMT
Glucose administered to treat hypoglycemic coma not the coma itself caused brain damage in rats a new study found. The results surprised the San Francisco VA Medical Center researchers who said the findings may be of clinical signif...

Faulty Brain Network May Cause Fragile X Down Syndromes

Thu, 26 Apr 2007 15:13:51 GMT
The two most common forms of genetic mental retardation Fragile X and Down syndromes may share a common feature a faulty communication network in the brain U.S. researchers say. The actual genetic causes of the disorders are diff...

Meth Cocaine Abuse Boosts Stroke Risk

Thu, 26 Apr 2007 15:13:49 GMT
The abuse of stimulant drugs such as cocaine and amphetamines may increase the risk of stroke by raising blood pressure or triggering spasms in blood vessel walls that contribute to the narrowing of the vessels a U.S. study says. Research...

Sleepless Nights May Encourage Pain

Thu, 26 Apr 2007 15:13:47 GMT
Poor sleep can raise risks for pain in women a new study suggests. This study finds that fragmented sleep profiles akin to individuals suffering from middle of the night insomnia health care workers on call and parents caring for infan...

Kids Head Injury is Often Repeated Study

Thu, 26 Apr 2007 15:13:45 GMT
Kids who suffer a head injury are twice as likely to experience a second one within a year compared to kids who injure other parts of their body a team of Canadian researchers reports. The findings reported in the April issue of Pedia...

Video Racing Games Linked to Risky Road Behavior

Thu, 26 Apr 2007 15:13:30 GMT
People who play crashandbang carracing video and computer games may be more aggressive risky drivers in the real world new research suggests. A series of studies found a consistent relationship between dangerous driving in the virtual ...

Antidepressants Dont Help Kleptomaniacs

Thu, 26 Apr 2007 15:13:29 GMT
Antidepressants dont help people with the compulsive stealing disorder kleptomania a new study found. The findings by researchers at the Stanford University School of Medicine came as no surprise to experts in the mental health field w...

Research Reveals How Memories Are Made

Thu, 26 Apr 2007 15:13:27 GMT
New research shows memories are made in the brain using the same machinery that individual cells use to control their genes during embryonic development. In tests on rats researchers Courtney Miller and David Sweatt of the University of ...

Grocery Lists Dont Guarantee Healthy Choices

Thu, 26 Apr 2007 15:13:27 GMT
The grocery lists most people jot down before going to the store can create a mental loophole for impulse food. Thats because the act of remembering a variety of food choices makes people more vulnerable to slipping cookies chips and othe...

Women Benefit Less From ClotBusting Stroke Drug

Thu, 26 Apr 2007 15:13:26 GMT
Women who suffer strokes are much less likely than men to benefit from treatment with the powerful clotdissolving drug known as tissue plasminogen activator tPA new research suggests. The biggest such study yet conducted found that whil...

Sleeping Pill Wakes Woman After 2 Years in Coma

Thu, 26 Apr 2007 15:13:26 GMT
A dose of the prescription sleep aid Ambien had the opposite effect on one French woman awakening her from a twoyear coma. The 48yearold woman suffered from akinetic mutism a sort of persistent coma in which the patient is alert but ...

Baby Talk Silly Sounds That Carry Real Impact

Thu, 26 Apr 2007 15:13:24 GMT
If youve ever felt silly cooing baby talk to your infant relax. New research suggests youre giving your child just what he or she needs to begin developing language skills and to bond with you with every googoo gaga you utter. Th...

Reflective Rats Know Their Own Mind

Thu, 26 Apr 2007 15:13:22 GMT
The lowly rat may be smarter than you think. New U.S. research finds the rodents are able to assess or reflect on their own mental processes an ability called metacognition that was previously identified only in humans and other primat...

Resistance to Hormone Leptin Called Key to Obesity

Thu, 26 Apr 2007 15:13:21 GMT
Researchers may have uncovered the biochemical defect that underlies foodinduced obesity in mice. Assuming it can be duplicated in humans the finding suggests several potential antiobesity drug targets experts said. Michael C...

Sleeplessness Clouds Moral Choices

Thu, 26 Apr 2007 15:13:17 GMT
Too little sleep makes tough moral decisions that much tougher a new study suggests. Our results simply suggest that when sleep deprived individuals appear to be selectively slower in their deliberations about moral personal dilemmas rel...

Some Brains May Be Predisposed to Substance Abuse

Thu, 26 Apr 2007 15:13:15 GMT
Do the brain changes noted in drug addicts help cause their addiction or are they the result of drug abuse? A new study might solve that chickenandegg puzzle pointing to new ways of preventing and treating addiction researchers say.<...

Mouse Study Sheds Light on LupusLinked Depression

Thu, 26 Apr 2007 15:13:13 GMT
An autoantibody called antiribosomal P plays a role in central nervous dysfunction and depression in people with lupus an autoimmune disease that also causes symptoms such as joint pain skin rashes and extreme fatigue. Scientists at T...

Dont Wait Till School Starts to Vaccinate Against Meningitis

Thu, 26 Apr 2007 15:13:11 GMT
FRIDAY Feb. 23 HealthDay News The bad news according to health experts is that bacterial meningococcal disease can strike yearround. The good news is that a vaccine to prevent this potentially deadly infection is also available year...

Pregnancy Hormone May Ease Multiple Sclerosis

Thu, 26 Apr 2007 15:13:09 GMT
A hormone produced during pregnancy may benefit multiple sclerosis patients a Canadian study finds. Multiple sclerosis MS affects about 2.5 million people worldwide. It occurs when the bodys immune system attacks myelin which insulate...

Brain Changes Persist Long After Smokers Quit

Thu, 26 Apr 2007 15:13:07 GMT
Smoking produces longlasting changes in the brains of smokers and former smokers alike a new study suggests. For the study which is published in the Feb. 21 issue of The Journal of Neuroscience researchers from the National Inst...

Brain Gene Mutation Linked to Schizophrenia

Thu, 26 Apr 2007 15:13:07 GMT
Mutations in genes that play a critical role in the function of a key brain enzyme may make people susceptible to schizophrenia a team of American and Japanese scientists say. Their genetic research in mice and humans led them to conclud...

Retinal Implant Restores Limited Sight to Blind

Thu, 26 Apr 2007 15:13:06 GMT
U.S. researchers say a new hightech implant is restoring at least some sight to people blinded by eye disease. The device known as the Argus II Retinal Prosthesis System is an updated and more powerful version of an electronic retina...

Smart Bladder Technology Could Help Paralyzed

Thu, 26 Apr 2007 15:13:05 GMT
Duke University researchers say theyve moved a step closer in their efforts to develop a smart bladder pacemaker that could restore bladder control in people with spinal cord injury or neurological diseases. The latest finding of the pro...

Gene Research Gives Clues to Childhood Brain Tumors

Thu, 26 Apr 2007 15:13:03 GMT
Genetic clues that reveal a brain cells origins remain distinct even after the cell becomes a brain tumor researchers report. That discovery could help improve insight into childhood brain tumors says an international team of scientists....

Study Probes Behaviors Linked to Parkinsons Treatment

Thu, 26 Apr 2007 15:13:03 GMT
Scientists are learning more about gambling and other compulsive behaviors that are sometimes side effects of Parkinsons treatment. Previous studies had found an association between Parkinsons drugs called dopamine agonists and impulseco...

Rural Patients Benefit From PhoneGuided Stroke Therapy

Wed, 25 Apr 2007 15:54:28 GMT
Stroke patients in rural hospitals can receive safe effective treatment with a clotbusting drug when an expert from a larger hospital guides the therapy over the telephone U.S. research confirms. Expert guidance of this treatment over t...

Good Sleep Wakes Up Memory

Wed, 25 Apr 2007 15:54:27 GMT
Besides helping you feel wellrested getting your zzzs may also sharpen your memory a new study shows. Researchers found that sleep not only protects memories from outside interferences it also helps strengthen them. There wa...

White Matter Defects May Lead to Schizophrenia

Tue, 24 Apr 2007 19:00:59 GMT
Defects in the brains white matter which is responsible for communication between parts of the brain may be a key genetic factor contributing to schizophrenia a new study suggests. This is the first clear demonstration of a new mechani...

Genetic Susceptibility Linked to Rare Brain Tumor

Tue, 24 Apr 2007 19:00:59 GMT
A persons genetics may increase their risk of developing a radiationassociated brain tumor called meningioma according to a new study of 525 families. Ionizing radiation is the only known clearly established risk factor for meningioma...