Obesity, Study | featured news

Even a few nights of sleep deprivation, according to a new study, can make your fat cells behave like they're much older and less responsive to the hormone that controls metabolism.

Kids with higher levels of the widely used substance BPA in their bodies are more likely to be obese, according to the first large-scale, nationally representative study to link an environmental chemical with obesity in children and teens.

Finally, there’s good news on the child obesity front. A new study published online today suggests that inexpensive, community-based obesity intervention programs can work very well for kids who struggle with weight issues.

Researchers believe they have identified why a mutation in a particular gene can lead to obesity.

Having a so-called obesity gene doesn't necessarily doom you to being fat, a study finds — if you stay active.

"Munchies" aside, pot smokers are actually less likely than no-smokers to put on excess weight, according to a study by a French researcher.

Not everyone who is obese needs to lose weight — it's possible to carry extra pounds and still be healthy, a new study says. Although obesity brings an increased risk of many health complications, the new study shows that people who are obese but do not have such complications might live as long as normal weight individuals.

The results run counter to the idea that more supermarkets can curb obesity in low-income neighborhoods. Better access to supermarkets — long touted as a way to curb obesity in low-income neighborhoods — doesn't improve people's diets, according to new research.

Nearly 10 percent of the world’s adults have diabetes, and the prevalence of the disease is rising rapidly. As in the United States and other wealthy nations, increased obesity and inactivity are the primary cause in such developing countries as India and in Latin America, the Caribbean and the Middle East.

Study finds that breast-fed babies who are fed solids before 4 months are not at increased risk later on.