The Science of Weight Loss
If you've made shedding pounds a New Year's resolution, here's a guide to the research behind dieting and exercise
Does Exercise Really Make You Healthier?
We examine five claims about the benefits of weight lifting and aerobics to see which carry the most...weight
Could a Pill Replace Exercise?
Scientists have shown that a drug improves endurance in mice
The Diet That Fits
Analyzing metabolism for personalized nutrition

Could We Lose Weight by Injecting Fat into Our Bellies?
Perhaps, as long as you use the "good" kind of fat, according to two new studies

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

Eat (Less) to Live (Longer)
New study reveals why restricting calories may lead to longevity

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

Drugs trigger dramatic weight loss in fat mice
Drugs currently on the market but used for other purposes helped plump mice shed pounds by upping their response to the appetite-suppressing hormone leptin, according to a new study.

Eat, Exercise and Be Merry
Research shows that people who write down what they are grateful for may exercise more. Rachel Mahan reports

New Diet Drug in Battle of the Bulge
Early research shows that taranabant helps to suppress appetite and burn fat.

Is Bone–Fat Chitchat the Key to Weight Control?
Bones secrete a hormone that affects sugar metabolism and body weight, offering hope for a novel treatment for type 2 diabetes

More Stress Means Less Eating
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...

How does exercise make your muscles stronger?

Fasting May Equal Calorie-Restricted Diets
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

The biggest loser: Buying weight loss
Seems money trumps health when it comes to losing weight. A new study published in the Journal of the American Medical Association today found that people were more likely to stick to weight-loss programs if they were offered cash incentives...

Different Exercise Affects Appetite Differently
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...

When you lose weight, where does it go?

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