A healthy person, have enough water to drink, even a period of time without food, also can maintain life. If there is no water, three days will lead to death. If in the sweltering heat of the desert, even insist on less than two hours, a god of death will come. So the compendium of materia medica put water in the first chapter. China's ancestors have "is better than medicine to eat, to eat the no water filling". Why water is so important to people?
More than two thirds of the human body is water. Water is transmitted to the human body each organization, nutrient excretion human waste and body fluids such as blood circulation of the carrier, is to digest food, lubricating joints and various internal organs and material necessary to regulate body temperature. Water is part of the blood system containing soluble minerals, it like dissolved calcium and magnesium, is necessary for the body to support healthy tissue.
Drinking enough water is conducive to disease cure. For example, can prevent colds, who has a cold and make the more early. The reason is that most cold caused by viruses, the body skin and mucosa was defense against viruses and bacteria invasion of the immune system's first line of defense, enough to drink, can avoid dry skin and mucous membrane, to prevent bacteria and viruses enter the body. Enough water can induce the body eliminate waste and make patients more early.