What causes heat-related illness?
Heat-related illnesses, such as “heatstroke” and “sunstroke,” occur when you body can’t keep itself cool. As the air temperatures rises, your body stays cool when your sweat evaporates. On hot, humid days, you feel uncomfortable because the evaporation of sweat is slowed by the increased moisture in the air. When sweating isn’t enough to cool your body, your body temperature rises, and you may become ill. Common symptoms of heat illness are headache, dizziness, muscle weakness or muscle cramps, nausea and vomiting. In the summer, the weather forecasters often talk about the heat index. What is the heat index? The heat index is not the same as the temperature outside. The heat index, which may be referred to by your local weather forecasters, tells you how hot it feels outside in the shade. The heat index is a measurement of how hot if feels when relative humidity is combined with the effects of the air temperature. When you are standing in full sunshine, the heat index value is even hi
