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Schizophrenia candidate genes affect even healthy individuals

Do gene variants that convey risk for schizophrenia affect apparently healthy individuals? Although these genes are present in every human, individuals may have different versions of these genes, called alleles.

27 Sep 2007

Stealth learning fosters science education

Rochelle Schwartz-Bloom, a Duke University pharmacology professor who left the lab bench to focus on science education, has developed a tactic for keeping students hands in the air at the end of class.

27 Sep 2007

R rating may be unlikely to affect teens exposure to smoking in movies

Several recent research studies published in the United States have determined that young adolescents who see smoking scenes in movies are more likely to smoke.

27 Sep 2007

iPod shuffles used to help stutters

Compared to advancements in modern medicine over the past 70 years, there have been few new treatment options for people who stutter.

27 Sep 2007

36 million Americans have never checked their cholesterol

Despite the much publicized link between cholesterol and heart disease, one in six Americans age 20 and older – almost 36 million people – have never had their cholesterol levels checked, according to the latest News and Numbers from the Agency for Healthcare Research and Quality.

27 Sep 2007

How H5N1 virus works

H5N1 influenza, also known as avian influenza, is considered a major global threat to human health, with high fatality rates.

27 Sep 2007

30 percent of asthma in U.S.can be attributed to cat allergy

Researchers at the National Institutes of Health (NIH) have found that more than 50 percent of the current asthma cases in the country can be attributed to allergies, with approximately 30 percent of those cases attributed to cat allergy.

27 Sep 2007

Greater access to medical information under new law

Following the President's signature of the Food and Drug Administration (FDA) Amendments Act, HHS Secretary Mike Leavitt praised the bill as an important step forward in ensuring the safety of drugs and medical devices.

27 Sep 2007

New biosensor detects avian influenza in just minutes

Quick identification of avian influenza infection in poultry is critical to controlling outbreaks, but current detection methods can require several days to produce results.

27 Sep 2007

Memory tasks require more coordinated brain blood flow for people with high blood pressure

Blood flow to the parts of the brain that support memory function differs between people with high blood pressure and those with normal blood pressure, and this difference seems to increase when high blood pressure is treated with medications, researchers reported today at the American Heart Association's 61st Annual Fall Conference of the Council for High Blood Pressure Research.

27 Sep 2007

London School of Hygiene to play key role in global collaboration on adverse drug reactions

The London School of Hygiene & Tropical Medicine is to be a key player in the first global research collaboration aimed at identifying the genetic markers related to Adverse Drug Reactions (ADRs).

27 Sep 2007

Loss of TDP-43 gene found to be related to age-related neurological disorders

Researchers at Mayo Clinic in Jacksonville have discovered how loss of a gene can lead to accumulation of toxic proteins in the brain, resulting in a common dementia, and they say this mechanism may be important in a number of age-related neurological disorders.

27 Sep 2007

Scientists perform computer simulation that shows how proteins vibrate in a crystal

An international collaboration directed by an Oak Ridge National Laboratory researcher has performed the first-ever atomic-detail computer simulation of how proteins vibrate in a crystal.

27 Sep 2007

New view of what causes greatest genetic variability among individuals

A study by Yale researchers offers a new view of what causes the greatest genetic variability among individuals - suggesting that it is due less to single point mutations than to the presence of structural changes that cause extended segments of the human genome to be missing, rearranged, or present in extra copies.

27 Sep 2007

People with a strong fear of crime twice as likely to show symptoms of depression

The research, based on data taken from the Whitehall II study, also shows that fear of crime is associated with decreased physical functioning and lower quality of life. The findings are published today in the American Journal of Public Health.

27 Sep 2007

High school footballers wearing special helmets to monitor brain injuries

As they root for the home team from the bleachers this fall, high school gridiron fans in the small Illinois town of Tolono don't necessarily see anything out of the ordinary down on the field.

27 Sep 2007

New guidelines for cardiac testing and treatments

People with heart disease should take special precautions before undergoing any kind of surgery, even noncardiac surgery, to reduce their risk of a cardiac event, according to new joint guidelines from the American College of Cardiology and the American Heart Association.

27 Sep 2007

Genetic sequence of Giardia complete

Giardia lamblia, one of the most common human parasites in the United States, causes more than 20,000 intestinal infections a year, often through contact with contaminated drinking or swimming water.

27 Sep 2007

Variations in two genes linked to suicidal thinking

Specific variations in two genes are linked to suicidal thinking that sometimes occurs in people taking the most commonly prescribed class of antidepressants, according to a large study led by scientists at the National Institutes of Health's (NIH) National Institute of Mental Health (NIMH).

27 Sep 2007

Genetic test announced for suicidal ideation in patients using antidepressant drugs

NeuroMark, a Boulder, Colorado company, announced today the immediate availability of a genetic test to identify people at risk of suicidal ideation - thoughts of committing suicide - when prescribed an antidepressant drug.

27 Sep 2007