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Special Report

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

  • January 2, 2009

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

March 13, 2007

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

July 11, 2008

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.

January 6, 2009 — Coco Ballantyne

Eat, Exercise and Be Merry

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

November 24, 2008

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.

September 27, 2007

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

December 26, 2008

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.

December 10, 2008 — Coco Ballantyne

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. Karen Hopkin reports

December 12, 2008