When the going gets hot.
D001833:Body Temperature Regulation; D006359:Heat Exhaustion / Q000209:etiology / Q000503:physiopathology* / Q000628:therapy; D006358:Hot Temperature / Q000009:adverse effects*; D006801:Humans; D009120:Muscle Cramp / Q000209:etiology / Q000503:physiopathology* / Q000628:therapy; D005082:Physical Exertion; D012420:Running