Consumers are increasingly disillusioned with diet products and programs. But they're also confused by new terms like gluten-free and non-GMO, industry analysts and nutritionists say.

A bogus study about chocolate and weight loss fooled several news outlets. Here, we present a thorough debunking of health news misreporting and bogus, celebrity-endorsed diet fads. 

Obese men have only a one in 210 chance of attaining a healthy body weight, according to new research that suggests diet and exercise strategies are not effective in combating the obesity epidemic.

A group of respected physicians has stepped forward to challenge the common assertion that obesity can be easily fixed by diet and exercise. For most of the nation's 79 million adults and 13 million kids who are obese, the "eat less, move more" treatment, as currently practiced, is a prescription for failure, these doctors say. In a commentary published Thursday in the journal Lancet Diabetes and Endocrinology, four weight-loss specialists set out to correct what they view...

What if physical activity doesn't help us lose weight—or at least not as effectively as we might like?

SIX years after dropping an average of 129 pounds on the TV program “The Biggest Loser,” a new study reports, the participants were burning about 500 fewer calories a day than other people their age and size. This helps explain why they had regained 70 percent of their lost weight since the show’s finale. The diet industry reacted defensively, arguing that the participants had lost weight too fast or ate the wrong kinds of food — that diets do work, if you pick the right one.