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Health topics
… Heat-Related Illnesses … at its normal temperature by transferring heat. Sweating and blood flow to the skin ( … periods of stress in a hot environment. Heat syncope (fainting). It's caused by low blood pressure …
Health topics
… awake or aware of his or her surroundings. Fainting ( syncope ) is a form of brief unconsciousness. … Light-Headedness and Vertigo Headaches Heat-Related Illnesses Poisoning Seizures …