TOO HOT TO HANDLE
As summertime extreme heat becomes more common and lasts longer, the risk of heat-related deaths and illnesses increases. While a variety of serious impacts can result from excessive temperatures, including heart attack, heat exhaustion and heat stroke are among the most common. More people died in Arizona from heat-related injuries last year than at any other time in the state's recorded history, and officials there warned against underestimating the power of heat. Here are some of the most important things to understand about heat stroke (and its precursor, heat exhaustion) as well the primary symptoms.