FUNCTTIONS OF INFRARED SAUNA: improving micro-circulation regulating the nervous system double regulation enhancing the immunity function BENEFITS OFINFRARED SAUNA: Treatment or auxiliary treatment. Speeding recovery. Strengthening functions of kidneys, intestines, stomach and heart. Easing fatigue and enhancing vigor. Replenishing physical stamina. Relieving stress and insomnia. Solution for lack of exercise and rest. Weight control. Skin care.