There is no harm in long-term and plain water.

Water is an important substance necessary for human survival, boiled water into the human body can immediately play a metabolic function, regulating body temperature, delivery of nutrients. After boiling the natural cooling of the cool water is most likely to pass through the cell membrane, promote metabolism, enhance immune function, improve the body's ability to resist disease. People who are accustomed to drinking plain water have high deoxygenase activity in their bodies, less lactic acid buildup in their muscles, and are less prone to fatigue.

For human beings, water is second only to oxygen as an important substance. In the adult body, 60% of the weight is water. The weight of water in children's bodies is even greater, up to nearly 80 percent. If a person does not eat, only rely on their own body stored nutrients or consumption of self-tissue, can survive for 7 days. But without water, even a week is difficult to pass. Body water loss of 10% on the threat to health, such as water loss of 20%, there is a life-threatening, visible water on the importance of life.

But a day a lot of drinking will also appear water intoxication, it is recommended to drink 800ml of water every day, do not swallow, slowly small mouth to drink, in order to achieve healthy results.

Expanded

Boiled water, also known as cool white water, frozen water, is the most common life people drink the edible water. It is light, tasteless and extremely common, but has a very important role in regulating the physiological mechanism of the human body. Drinking a cup of warm water on an empty stomach in the morning is beneficial to the body without any harm.

For middle-aged and elderly people, not only can dilute blood, reduce blood viscosity, promote blood circulation, but also reduce the risk of blood clots, to prevent heart disease "peak" of cardiovascular disease. For young people, can be due to sleep at night after the body water due to physiological distribution and reduce the role of thirst, diuretic, but also make the skin become smooth and tender. A boiling water is not recommended to drink:

1, on the stove burned all night or a long time, drinking is not cold or hot water,

2, automatic water heater in the overnight reboiling of boiling water,

3, . Residual boiling water that has been repeatedly boiled many times,

4, Boiling water in thermos bottles that is not the same day,

5, Boiling water left over from steaming meals and other foods.

References: