If you’re talking about the animals most often involved in backyard injuries to kids, the list usually starts with... The ...

Heart attacks remain one of the leading health threats in the U.S., striking about 805,000 people every year. Roughly 12 percent are fatal, according to federal data cited by The New York Times.

Add Yahoo as a preferred source to see more of our stories on Google. Having a seemingly random heart attack when you have no history of heart disease or clogged arteries is absolutely terrifying. And ...