A long-running comparison of three diet plans found that the low-carbohydrate Atkins regimen and a Mediterranean diet rich in fish and nuts produced slightly greater weight loss than a low-fat program modeled on American Heart Association dietary guidelines.

A long-term study of three very different diets has concluded that all produce similar amounts of modest weight loss, although the health benefits of the three may vary.

CALL IT Fattergate. Americans are getting scandalously big for their britches (and shirts and skirts and dresses and suits). And scientists would like to know why, so they can make it stop. After all, this sharp trend toward a well-rounded population has some pretty hefty (and heinous) consequences for public health.

Your mother was right when she told you to take the time to chew your food. Eating slowly, research suggests, can encourage people to eat less, and enjoy the meal more.

Eat a Pop-Tart? Write it down. Eat an orange? Write it down. If you're trying to lose weight, the simple act of keeping a food diary can double the number of pounds you shed, according to a new study that tracked the weight-loss efforts of 1,700 obese or overweight adults.

Competitive yoga is trying to shove its way into the Olympic spotlight. But not all practitioners agree that it's a good idea for yoga.

If you read muscle magazines while working out your own muscles, you may want to rethink your routine.

Comprehensive lifestyle changes including a better diet and more exercise can lead not only to a better physique, but also to swift and dramatic changes at the genetic level, U.S. researchers have concluded.

Japan, a country not known for its overweight people, has undertaken one of the most ambitious campaigns ever by a nation to slim down its citizenry.

Parents of overweight teens who recognize that their kids are too fat don't take steps to help them to eat more healthily or to be more active, but they do push them to diet -- and this pressure is likely to backfire, a new study shows.