The Science of Weight Loss

We examine five claims about the benefits of weight lifting and aerobics to see which carry the most...weight

A study in the journal Nature finds that worms that fasted every third day got the same anti-aging benefits offered by severe calorie-restricted diets. Karen Hopkin reports

A study in the American Journal of Physiology finds that aerobic exercise affects levels of two different hormones involved in appetite. Weight lifting only affected levels of one of the hormones. Karen Hopkin reports

Research shows that people who write down what they are grateful for may exercise more. Rachel Mahan reports

Perhaps, as long as you use the "good" kind of fat, according to two new studies

Scientists have shown that a drug improves endurance in mice

Dieters who wrote down everything they ate had twice the weight loss of other people following the same diet. Karen Hopkin reports

Early research shows that taranabant helps to suppress appetite and burn fat.

Recent studies on a hormone receptor in the brain called CRF2 brought new hope for a solution to obesity. But research in the Journal of Neuroscience cautions: while CRF2 cuts appetite, it also increases stress.

New study reveals why restricting calories may lead to longevity

How do you cope with a mountain of conflicting diet advice?

Bones secrete a hormone that affects sugar metabolism and body weight, offering hope for a novel treatment for type 2 diabetes

New study shows that coffee may be a source of dietary fiber, but that does not mean you should give up vegetables and fruit

Analyzing metabolism for personalized nutrition