Once you pop the top of a tube of potato chips, it can be hard to stop munching its contents. But Cornell University researchers may have found a novel way to help: edible serving-size markers that act as subconscious stop signs…

Chronic exposure to dim light at night can lead to depressive symptoms in rodents — but these negative effects can be reversed simply by returning to a standard light-dark cycle, a new study suggests…

Childhood obesity has nearly tripled in the past three decades, and by 2009, 17 percent of those 2-19 years of age were classified as obese…

Modern lifestyles are generally quite different from those of our hunter-gatherer ancestors, a fact that some claim as the cause of the current rise in global obesity, but new results published in the open access journal PLoS ONE find that there is no difference between the energy expenditure of modern hunter-gatherers and Westerners, casting doubt on this theory…