Exercise adds years to life and improves quality, researchers say
Exercise is a lot like spinach … everybody knows it's good for you; yet many people still avoid it, forgoing its potential health benefits.
Study finds billions of health insurance dollars used for administrative costs
Billing and insurance paperwork consume at least one out of every five dollars of private insurance health spending in California, according to a new study by health policy researchers.
The findings suggest that about $230 billion in health care spending nationally is devoted to insurance administration. more
Meditation associated with increased grey matter in the brain
Meditation is known to alter resting brain patterns, suggesting long lasting brain changes, but a new study by researchers from Yale, Harvard, Massachusetts General Hospital, and the Massachusetts Institute of Technology shows meditation also is associated with increased cortical thickness.
The structural changes were found in areas of the brain that are important for sensory, cognitive and emotional processing, the researchers report in the November issue of NeuroReport. more
Clinical study on heart failure to use cholesterol-lowering statin
An advanced study launched at Yale School of Medicine is evaluating the role of statin therapy in patients with heart failure, one of the leading causes of hospitalization in people over age 65. more
Risks of taking sedatives for insomnia in older people may be greater than the benefits
For older people, the risks outweigh the benefits of taking sleeping pills and other sedatives, say researchers in this week's BMJ. more
Large portions push people to overeat -- even when the food doesn't taste good
According to a new Cornell University study, when moviegoers were served stale popcorn in big buckets, they ate 34 percent more than those given the same stale popcorn in medium-sized containers. Tasty food created even larger appetites: Fresh popcorn in large tubs resulted in people eating 45 percent more than those given fresh popcorn in medium-sized containers. more
The brain is broadly wired for reproduction
Howard Hughes Medical Institute researchers have discovered a vast network of neurons in the brain of mice that governs reproduction and controls the effects of reproductive status on other brain functions. more