During summer's sizzling temperatures and stifling humidity, excessive heat can subject your body to a variety of problems ranging from mild discomfort to life-threatening heat stroke. You can protect yourself with some common sense approaches but if heat stress strikes, be alert to the signs and act swiftly to cool down. A number in degrees Fahrenheit that tells how hot it really feels with the heat and humidity. They usually involve abdominal or leg muscles. It is generally believed that loss of water and salt from heavy perspiring causes cramps.
Heat exhaustion is less dangerous than heat stroke.
It can occur when people exercise heavily or work in a warm, humid place where they lose body fluids rapidly through heavy perspiration. Fluid loss results in a blood flow decrease to the vital organs, resulting in a form of shock. With heat exhaustion, perspiration doesn't evaporate as it should, possibly due to high humidity or too many layers of clothing which results in the body not being cooled properly. Body temperatures will be near normal. The individual's temperature control system, which produces perspiration to cool the body, stops working.