Heat illness.
D000064:Acclimatization; D001835:Body Weight; D003020:Clothing; D003142:Communication; D003681:Dehydration / Q000517:prevention & control; D004781:Environmental Exposure; D005538:Football; D006359:Heat Exhaustion / Q000401:mortality / Q000517:prevention & control*; D006801:Humans; D008297:Male; D009820:Ohio; D013178:Sports Medicine; D013696:Temperature; D013821:Thermometers; D014883:Water-Electrolyte Imbalance