1/4 of the body's temperature from the muscle, the major cause of hypothermia is lack of exercise , and high stress, resulting in poor blood circulation, long-term, susceptible to disease (including high cholesterol, hypertension, high uric acid, etc.), the prevention of disease, we must try to raise body temperature. Bathing is the most simple and effective method to warm the body. Bathing can help blood vessels to dilate, promoting blood circulation, so visceral and muscle to add enough oxygen and nutrients. In addition, tight muscles hydrostatic effect, promote blood and lymph circulation, improve the body metabolism and health.