Science

Heart Attack Death Risk Can Be Heard During Checkups, Researchers Say Heart attack risk can be heard by listening for a certain noise in the artery supplying blood to the brain, U.S. researchers said.

Emotions, Moral Choice Linked in Research That Measures Brain Acivity Brain activity in a region tied to human emotion may help prompt people to be fair rather than efficient in handing out rewards and burdens, say researchers aiming to understand the inspiration behind moral actions.

Diabetes Patients Are Less Likely to Exercise Because of Arthritis Pain More than half of adult diabetics in the U.S. also have arthritis, which causes joint pain that may prevent the exercise they need to stay healthy, a study found.

Folic Acid, B Vitamin Supplements Fail to Cut Heart Disease, Study Finds A daily dose of folic acid and B vitamins failed to prevent heart disease or reduce deaths in the longest study to date, ending hopes that the supplements could quickly and easily fight cardiac ailments.

Lack of Sleep Linked to Smoking, Heavy Drinking, Inactivity, Study Says People who slept less than six hours a night were more likely than well-rested people to smoke, drink heavily and avoid exercise, a U.S. government study found.

`Weird' Platypus Carries a Mix of Reptile and Mammal Genes, Research Shows The platypus, a furry, duck-billed Australian that lays eggs and dispenses venom, is both mammal and reptile, according to an analysis of its genome by an international team of scientists.

Stress-Disorder Veterans Helped by New `Virtual Iraq' Simulation Therapy Stress disorder symptoms were eased in 75 percent of Iraq war veterans who watched three-dimensional images of soldiers on house-to-house searches, and heard the sounds of explosions and the Muslim call to prayer.

Fat Cells Renewed Yearly in Process That May Lead to Treatment, Study Says About 10 percent of fat cells in the body die off yearly and are replaced naturally, according to Swedish scientists who say that finding ways to interrupt the renewal process may one day offer a treatment for obesity.

Stronger Guidelines Help Cut Strep in Newborns; Disease Rises in Adults A type of strep infection fell 27 percent in infants after new screening guidelines began, a study found. The infection jumped 50 percent in adults, boosted by underlying conditions, including diabetes.

Diabetic Eye, Kidney Disease Tied to Blood-Vessel Gene Variant, Study Says Diabetics who develop eye and kidney damage may be helped by the discovery of a gene variant linked to blood vessel growth, scientists said.