"Oy," your Uncle Adi might say at your next barbecue. "It's so hot out here, I'm gonna have a heat stroke!" Go ahead and roll your eyes at poor Adi, but the truth is he might be right. Heat related illnesses—from cramps to strokes—happen when your body's ability to dissipate heat is overtaken by high temperatures. According to the latest figures from the Centers for Disease Control
, 3,342 people died of heat sicknesses from 1999 to 2003. And remember, those with a history of cardiovascular disease are particularly susceptible to heat strokes.