Extreme heat leads to heat exhaustion and other health problems. Some folks sadly do not recognize the early signs of heat problems, which could lead to heat stroke. Justin Sullivan, Getty Images Justin Sullivan, Getty ImagesHow To Avoid Going To The HospitalNo one wants to go to the hospital if it can be avoided. Experts tell us to stay inside and hydrate, hydrate, and hydrate. Joe Raedle, Getty Images Joe Raedle, Getty ImagesCan you imagine what it was like in Idaho before we had air conditioning?