Many friends bought the water purifier and heard the shopping guide introduced the reverse osmosis model will shake his head: I heard that the water is too pure, not pure water machine! So is pure water really good?
A newspaper in Shanghai once questioned the health of a generation of people by drinking pure water, and talked about the various hazards of pure water. In addition, several influential newspapers published pure water, which is not only harmless but also beneficial to human health. The articles that I listened with confidence were positive and negative, causing a momentary dispute.
To solve the relationship between pure water and health problems, we must first understand the role of water in the human body: first, food digestion, second, nutrient delivery, third, blood circulation, fourth, waste excretion, and fifth, body temperature regulation.
First of all, we have never heard of a person who is asking for water to supplement nutrition when a person lacks nutrition and vitamins. The body extracts nutrients and minerals in water is very small, 99% of the nutrients and minerals are obtained from whole grains, fruits and vegetables, chicken and egg milk. For example: molybdenum nutrition of the human heart, if you want to get enough molybdenum through water, drink 160 tons of water a day, but eat a potato, a handful of melon seeds can meet the body's demand for molybdenum. For example, the milk content of a cup of milk is equal to 1,200 cups of water, the iron content of a pound of beef is equal to 8,300 cups of water, and the vitamin content of a cup of orange juice is equal to 3,200 cups of water; Lack of nutrition, most of which is supplemented by food, not by drinking water.
Moreover, the organic minerals in the water are not directly absorbed by the human body. Only after being absorbed by animals and plants, the human body can eat the edible parts of these animals or plants in order to allow the body to absorb. In life, have we heard that people lacking certain vitamins is supplemented by drinking water? No!
In addition, American water quality experts pointed out that the main function of water for the human body is to promote metabolism, rather than mineral intake, essential and trace elements in the human body, such as calcium, magnesium, potassium, sodium, iron, zinc, manganese, chromium, More than a dozen elements such as tin, silicon and vanadium are mainly derived from food. The normal dietary structure can fully guarantee the effective intake of the above elements. In the general food, the trace elements mainly provided by water are only iodine, selenium and fluorine. In terms of iodine, in addition to the coastal areas, in many towns and cities in the mainland, the lack of iodine in water is indeed very common, but in recent years, the promotion of iodized salt has been greatly promoted, and the iodine deficiency situation has been effectively improved; the content of selenium in various waters varies, but selenium is The content of seafood, liver, kidney and meat is still high. Many plant foods also contain selenium; although the content of fluorine in water is very low, the content of tea is very rich. Therefore, the comprehensive promotion of iodized salt, usually pay attention to adjust the diet structure, develop the habit of drinking tea, can prevent such elements lack.
We don't have to drink all kinds of pollution, bacteria, viruses, etc. for the insignificant inorganic substances in the water. Therefore, it is better to take the light of the two evils, it is better to drink pure water without pollution but no minerals.
In response to the debate on pure water, CCTV's "Life" column specifically conducted consumer surveys, and visited the national authorities and authoritative experts, and gave consumers a fair and objective statement in the special report.
According to expert statistics, the calcium content of a cup of milk is equal to the calcium content of 200 cups of mineral water. The amount of iron contained in a piece of meat is equal to the iron content of 8,200 cups of mineral water. Nutrition experts pointed out that the various nutrients needed by the human body, including minerals and trace elements, should be extracted from food. Drinking water to supplement nutrition is tantamount to a glass of water.
According to experts, by the mid-1990s, in Europe, America, Japan, Southeast Asia and other countries, the penetration rate of pure water was already very high, especially in the Middle East, which is close to 100%. In Hong Kong, 2/3 of the teenagers drink Pure water, and the above-mentioned countries and regions have not reported any diseases caused by drinking pure water.
In fact, as early as two years ago, the former Ministry of Health of the National Health and Family Commission gave a clear "speak". In the reply to the China Beverage Industry Association, the Department of Health Legal System and Supervision of the Ministry of Health said that pure water is “safe, hygienic and harmlessâ€.
The reply from the Ministry of Health was specifically issued in response to the controversy over whether the "pure water is harmful" that was not so far. The China Beverage Industry Association sent a letter to the Ministry of Health on this controversy asking whether “purified water is harmful?†The Ministry of Health’s reply is: “The production and operation of pure water should comply with the “Food Hygiene†and the “Measures for the Supervision and Administration of Drinking Water Hygieneâ€. Relevant regulations, products should meet the requirements of "Sanitary Standard for Bottled Drinking Pure Water" (GB1724-1998). Pure aquatic products that meet the above relevant regulations and sanitary standards are considered to be safe, hygienic and harmless.
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