• Features
• 
  iStockPhoto/Eric Gevaert
• Does Exercise Really Make You Healthier?
  We examine five claims about the benefits of weightlifting and aerobics to see which carry the most . . . weight

• News
• 
  © ISTOCKPHOTO/SIMONE VAN DEN BERG
• Could a Pill Replace Exercise?
  Scientists have shown that a drug improves endurance in mice

• 60-Second Science
• 
• Diet Diary Doubles Weight Loss
  Dieters who wrote down everything they ate had twice the weight loss of other people following the same diet

• Features
• 
  Photo by Byrmo via Flickr
• The Diet That Fits
  Analyzing metabolism for personalized nutrition

 

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60-Second Science Blog
Drugs trigger dramatic weight loss in fat mice

News
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.

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

News
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

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

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

News
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

60-Second Psych
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.

Ask the Experts
How does exercise make your muscles stronger?

60-Second Science
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

60-Second Science Blog
The biggest loser: Buying weight loss
In a study, people were more likely to stick to weight-loss programs if they were offered cash incentives

Scientific American Magazine
Food for Thought: A Diversity of Diets