Rapidly rising temperatures can turn deadly. Here's warning signs and prevention tips.

With temperatures climbing, the danger isn't just the heat but how quickly it can turn into a medical emergency.One woman knows that firsthand after suffering heat stroke, and doctors say recognizing the warning signs can save a life.Diana Barajas is no stranger to the heat, having been born and raised in Punta Gorda, Fla.She travels to Atlanta often to visit her son and is a frequent visitor to Piedmont Park. A normal workout turned into a nightmare after suffering heat stroke and losing consci