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Worker Protection Standard: Heat Illness

Trent Spencer, Herb Willcutt and, Jim Hamer (February, 2009)

Summary

Heat illness is the result of overheating the body. Mild cases of heat stress can cause the victim to feel ill, tired, and weak. More serious heat illness can exhibit itself as headache, nausea, dizziness, severe thirst, and fainting. Severe heat illness (heat stroke) causes death in more than 10 percent of victims, including healthy adults.