obesity

There are clues about your activity level and metabolism in urine. Researchers hope to one day predict obesity risk by tracking the different levels and ratios of certain molecules in pee.

New legislation in California and New York proposes a label for sugary beverages. The label looks like the warning on cigarette packages, but the beverage industry has called it "misleading."

Many have dreamed of taxing Cheetos and soda. The Navajo Nation is now doing both. The first-in-the U.S. tax measure aims to raise revenue for health programs and make wholesome food more affordable.

A new study finds that restrictions on fast-food restaurants in South Los Angeles didn't reduce obesity as intended. That's partly because the ban didn't cover the most common types of food stores.

People who walked briskly for 40 minutes five days a week saw more health improvements than those who walked for an hour a day but were more leisurely about it. Both groups lost weight.

A study argues that the density of restaurants and large-scale food retailers in parts of the U.S. has been a major factor in the rise of obesity. But some see it as a "chicken and egg" problem.

Researchers say they've discovered a way to jump-start fat-burning by switching on the digestion process without the presence of food. So far, it has only been tested in mice.

A surgically implanted device similar to a pacemaker gained FDA approval after showing some weight loss in people who are obese. But people in a study who had sham devices lost weight, too.

People considering weight-loss surgery haven't had much evidence on long-term risks or benefits. A study finds lower death rates after surgery, even for people who were older and less healthy.