Yo-yo dieting may be linked to more risks than just regaining the lost weight.

For kids, when school's out for summer, that healthy body weight may go out the window, too, a new study found.

Taxing sugary drinks may lower consumption and, in turn, reduce obesity, type 2 diabetes and even tooth decay, according to a new World Health Organization (WHO) report.

Are wearable technologies for monitoring and tracking physical activity and diet worth it? Maybe not, according to a new study.

A new behavioral treatment for obesity may help patients lose more weight and keep it off longer than the standard behavioral treatment, a new study found.

Your size and your gut bacteria may be linked, a new study of children and teenagers found.

The glycemic index varies so much that it may be an unreliable indicator of blood sugar response, according to a new study.

Getting your workouts in may mean health care savings, according to a new study.

A new study has linked obesity to eight more types of cancer.

The longer women are overweight or obese as adults, the more likely they may be to get cancer, a new study found.