Heat illness.
D000064:Acclimatization; D001833:Body Temperature Regulation; D004734:Energy Metabolism; D006359:Heat Exhaustion / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D006439:Hemodynamics; D006801:Humans; D009120:Muscle Cramp / Q000503:physiopathology