Water is the source of life. All life activities of human body, including digestion and absorption of nutrients, excretion and removal of metabolic wastes, and all physiological and biochemical reactions, need to be carried out in a liquid environment.

Many people can't get away from work and often can't even drink water. Once the body is short of water, it will not only make people depressed, thirsty and weak, but also cause the decline of liver and kidney function and the accumulation of toxic substances, which will make various diseases take advantage of it. Especially in patients with hypertension, drinking too little water will lead to insufficient blood volume, blood concentration and increased blood viscosity, which is easy to induce cerebral thrombosis.

Experts point out that don't wait until you are thirsty to drink water. Because thirst is actually a manifestation of severe water shortage in the body. Usually, a small amount of water should be replenished many times before thirst appears. In particular, drinking more boiled water, light tea or milk is more conducive to good health.