Sunburn can affect your body s cooling system. Applying sunscreen before work is enough to protect you throughout the day. Heat rash is caused by humid conditions where perspiration cannot evaporate from the skin.
Some people feel the effects of heat stress less than others.
You can ignore minor heat disorders without risking more serious heat-stress effects. As the air temperature rises, your body stays cool when your sweat evaporates. On hot, humid days, 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.