Zyrees Oliver collapsed after a summer football practice, WSB-TV in Atlanta reported. He died six days later. Oliver reportedly drank four gallons of fluid during and shortly after practice because he felt dehydrated. Afterward, he went home, where he later collapsed. He was taken off life support after doctors told his family he would never recover. “You think with dehydration, the more water you give, the better you're making it. No, not in all cases, it does the opposite,” his...

A bad sunburn — ouch! — can really ruin a summer vacation. But be warned: UV-caused redness isn't limited to the summer months, so don't stop sun protection when Labor Day hits. If you do get burned, try these tips from Rebecca Tung, M.D., to feel better fast. (Thinkstock/IT Stock) Summer might be winding down — but sunburn season lasts all year. "A lot of people assume that they do not need to wear sunscreen in the winter, or outside...

(Thinkstock/Steve Mason) Colder temperatures don't just mean winter is on the way; they also herald the beginning of the annual heart attack season, when deaths from heart disease, stroke and high blood pressure spike. And the urban legend about having a heart attack while shoveling snow? True, according to the American Heart Association. Here's why:Cold weather causes your blood vessels to constrict, raising blood pressure and exacerbating any preexisting heart problems, according to the AHA. The physical inactivity that comes...