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Long exposure at higher temperature can result in dizziness and/or hyperthermia. Hyperthermia occurs when the internal temperature of the body reaches a level several degrees above the normal body temperature of 98°F (36.7°C). The symptoms of hyperthermia include dizziness, fainting, drowsiness or lethargy. The affects of hyperthermia include: • Unawareness of impending hazard • Failure to perceive heat • Failure to recognize the need to exit the spa • Physical inability to exit the spa • Fetal