Maywood: Obesity is a known risk factor for atrial fibrillation, the most common heart rhythm disorder.

Washington: In school-age children previously diagnosed with depression as preschoolers, a key brain region involved in emotion is smaller than in their peers who were not depressed, scientists have shown.

Washington: Hospital workers who deal directly with patients wash their hands less frequently as their workday progresses, probably because the demands of the job deplete the mental reserves they need to follow rules, according to new research published by the American Psychological Association.

Washington: Time may be one of the most essential ingredients for a healthy diet, finds new research in the American Journal of Preventive Medicine.

Washington: Mouse Exposure Shows Stronger Link to Asthma-Related Emergency Department Visits than Cockroach Exposure.

Washington: After you roll your clocks back by an hour this Sunday, you may feel tired. That's because our bodies—more specifically, our circadian rhythms—need a little time to adjust. These daily cycles are run by a network of tiny, coordinated biological clocks.