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What are the benefits and disadvantages of drinking purified water for a long time?
If you drink pure water for a long time, it is harmful to your health. Because:

1) Pure water not only removes all the harmful substances, but also removes many of the "essential trace elements" that are important to human health. These elements of the human body needs is very small amount, every day in the normal diet can be satisfied. Now, from the normal drinking water can obtain this part of the essential trace elements, due to drinking pure water and removed. This does not meet the normal needs of the human body. In the long run, it causes irreparable harm to health. This harm is chronic, imperceptible, irreversible, and is jeopardizing future generations.

The biggest impact is zinc, magnesium, iodine, these three elements. These elements, although the content in the water is extremely small, they were in the food is very lack of, and now the water this little trace elements in addition to the clean, which has become worse. These 3 elements are directly related to reproductive development and intellectual development, the lack of which affects the development of the nervous system and even future generations.

2)In the normal diet, there are many inorganic salts can be satisfied, such as tap water, there are 30 kinds of inorganic salts that the human body needs. Now, get rid of this part of the water, the human body can not replenish the amount of inorganic salt needs. After a long time, will cause nutritional imbalance, people's health will be affected, serious will cause disease.

3)Pure water is not pure. The preparation of pure water is very complex, it is high-tech achievements, of course, has a high technical content. Not anyone can produce. These ion exchangers and membrane filters require frequent technical processing and cleaning, which is called ion exchanger and membrane filter regeneration technology. But most of the pure water plant, do not master this regeneration technology. As a result, in the exchanger and filter, enriched with a large number of bacteria and dirt, the longer the use of time, the accumulation of bacteria and dirt, the more, and finally filtered out of the water from here, on the contrary, than the tap water in the bacteria and dirt content is much higher. In other words, this filter has become a source of pollution. Therefore, according to the relevant testing department published data, the annual testing of pure water pass rate is not high. A lot of unqualified "pure water" in the street sales, and people take it as pure water to drink, the harm is much greater than tap water (because tap water, everyone knows need to boil and then drink).

4)Pure water into the human body, because it does not contain a variety of positive and negative ions, so the dissolution performance is very strong, so that not only can be a variety of harmful wastes and harmful trace elements dissolved, and out of the body. At the same time, the body can also dissolve a variety of essential trace elements, and be discharged from the body.

5) The molecular structure of pure water, after the water purifier treatment will occur rearrangement phenomenon, so that the structure of pure water molecules into extreme tandem and line grouping. This kind of water molecules, not easy to pass through the cell membrane, will lead to the loss of beneficial life-related elements in the body to the outside of the body. Some sensitive people feel more thirsty the more they drink, and the more thirsty they are, the more they want to drink. Drinking pure water for a long time can make you feel weak. This has a more prominent side effect on teenagers who are growing up. For this reason, the Shanghai Municipality has clearly stipulated that the restriction of drinking pure water for primary and secondary school students.