Why not recommend primary and middle school students to drink ro reverse osmosis purified water

As the source of life, human beings can’t live without water. With the continuous improvement of living standards, people are paying more and more attention to health issues, and the topic of "how to drink water healthily" is getting more and more attention. Especially families with children or those who are planning to have children are more concerned about the quality of drinking water. After seeing business opportunities, some water purifier merchants started online and offline "anxiety marketing" and launched various "black technologies" for water purification, causing many consumers to exclaim "buy! buy! buy!" But can water purifiers really bring us healthy drinking water? Last year, the Ministry of Education issued a document stating that primary and secondary school students are not advised to drink water from some water purifiers. What is the reason? This article will take you to find out.

Ministry of Education: It is not recommended to use reverse osmosis water purifiers in primary and secondary schools

In 2019, the National Bureau of Education issued the "Technical Requirements and Equipment Specifications for Membrane Treatment Drinking Water Equipment for Primary and Secondary Schools", suggesting that reverse osmosis water purifiers should only be used in areas with a high risk of raw water pollution or when the school infirmary is equipped with pure water devices.

What is a reverse osmosis water purifier?

Use the analogy of masks as well. Masks are divided into N90 and N95 according to the filter aperture, and water purifiers are also divided into different types according to the filtering accuracy. At present, the more popular on the market is the reverse osmosis membrane water purifier. Among them, the reverse osmosis membrane water purifier has a high degree of purification and can remove all substances in the water. At first glance, it sounds good, so I started (according to statistics, about 85% of people will eventually buy a reverse osmosis water purifier). But after thinking about it, I found that "all substances in the water can be removed", which means that while removing bacteria and impurities in the water, some nutrients that are beneficial to the human body-mineral elements are also removed.

Drinking pure water for a long time is not good for the human body, especially children

Natural water usually contains mineral elements such as potassium, calcium, sodium, magnesium, and metasilicic acid. These mineral elements are important components of body tissues. As for whether the human body needs to obtain minerals from drinking water, experts at home and abroad have given a clear conclusion after a large number of scientific investigations, experiments, analyses. According to the World Health Organization "Nutrients in Drinking Water", mineral elements can’t be synthesized in the human body. Drinking water is an important channel for the human body to take in mineral elements. The total amount of calcium and magnesium in the water accounts for about 5~ 20%. Wang Zhansheng who comes from the School of Environment of Tsinghua University also emphasized: "The current diet structure of Chinese residents is relatively simple and can’t fully and naturally supplement various elements. Therefore, the nutritional effects of drinking water can’t be ignored.

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