Fifteen endurance-trained runners, average age 27, ran three kilometers (1.8 miles) 1.2% faster after injecting themselves with a placebo than they did after taking...

Heart attacks are usually caused by an unhealthful lifestyle and are prevented far more effectively by lifestyle changes than by drugs. A healthful lifestyle can prevent more than 80 percent of heart attacks

Eating regular meals five days a week and markedly reducing calories for the other two days may be the best way to lose weight and keep it off. This approach to weight loss is called "intermittent fasting." We have some good data on how effective this diet regimen is for animals, but we are just starting to see the results of research on humans. Most of the studies on humans do not ask participants to avoid all food on their "fast" days.

As four-time mayor of Washington, D.C., Marion Barry helped to create a city that helped the poor and disadvantaged. His programs created jobs for...

Tom Magliozzi died at age 77 on November 3, 2014 from complications of Alzheimer's disease. This horrible dementia prevents you from remembering almost...

Sunscreens offer only partial protection from the sun. It is dangerous to expose large areas of your sun screen-coated skin to sunlight. If you want to really protect your skin from sun damage, get under a roof when the sun is out in full force. Clothes are next best, and sunscreens are a poor third.

Researchers led by Elizabeth Blackburn, PhD, winner of the 2009 Nobel Prize in Physiology or Medicine for telomere-related discoveries, measured the telomeres in white blood cells of 5,309 participants, ages 20 to 65, with no history of diabetes or heart attacks. They found that people who drink sugared sodas daily have shorter telomeres than those who drink fruit juices or artificially sweetened drinks

The huge number of mitochondria in dogs' muscles explains why sled dogs can run more than 100 miles a day, at sub-8-minute-mile pace for weeks on end, while humans could not possibly run as long or as fast and recover from such abuse of their muscles.

Raoul Dufy, one of the most popular painters of the early 20th century, produced more than 6000 paintings that featured themes of happiness, luxury...

If you are going to exercise at a relaxed pace for a few hours, you rarely need to eat or drink unless you feel hungry or thirsty. However, if you are going to compete in sports or exercise intensely for more than 70 minutes, you should take sugar just before you start and while you exercise.