The problem of obesity isn't confined to just humans. A new study finds increased rates of obesity in mammals ranging from feral rats and mice to domestic pets and laboratory primates. Americans have ...

Binge eating, especially on high-fat, high-sugar foods, can rewire the brain and alter behavior, leading to compulsive food-seeking and a greater likelihood of overeating instead of under-eating when ...

Ordinary fat cells in obese animals can be induced to burn energy stores, generating substantial heat, according to a ...

Just a few days of eating a diet high in saturated fat could be enough to cause memory problems and related brain inflammation in older adults, a new study in rats suggests. Researchers fed separate ...