Can mineral water be drunk for a long time?

1. It is not safe to drink pure water often. China Green Food Development Center said: "Safety, high quality and nutrition" embodies the quality characteristics of green food. The first characteristic is its safety, that is to say, the food will not cause harm to the body under the condition of reasonable consumption and normal consumption. As we all know, an adult needs to drink about 2000 ml of water every day to keep water balance. If an adult drinks about 2000 ml of pure water every day, will it do harm to his health if he drinks it for a long time? Professor Jin of beijing university of chemical technology Water Resources Research Center said: "Water molecules in pure water are extremely series and linear, and it is not easy to pass through the cell membrane, which will lead to the loss of beneficial life-related elements in the body. Some sensitive people will not quench their thirst more and more. The more they drink, the more they want to drink, which will reduce human immunity and even cause some diseases. " Professor Wang Shiwen, an expert on cardiovascular diseases in China and an academician of China Academy of Sciences, pointed out: "Drinking soft water with less minerals for a long time is one of the causes of atherosclerosis." The Naval Medical Research Institute provided a clinical response: "Zhoushan island soldiers drank rain for half a year and generally felt weak." After testing, rainwater lacks minerals and its water quality is similar to pure water. This is an example of the health hazards caused by reasonable drinking methods and normal drinking. Can it be said that pure water is safe food? Hundreds of millions of adults in China drink tap water, natural water or mineral water in the same amount as pure water every day (about 2000 ml). They haven't heard or seen reports about health hazards for more than ten years or decades. In contrast, it is safe to drink tap water, natural water and mineral water often, but it is not safe to drink pure water often. Second, pure water has no nutrition. China Green Food Development Center said: "In addition to safety, high quality and nutrition are also important characteristics of green food, which are reflected in the product standards of green food and require it to have excellent sensory characteristics, quality and nutritional value." In this way, green food not only needs excellent sensory characteristics and quality, but also needs excellent nutritional value. Is the nutritional value of pure water high? The affirmative answer is: no! As we all know, after purified water is treated, trace elements and macro elements necessary for human body in water are also removed. Water is an important way for human body to obtain minerals, and it is also the main source under special conditions. Professor Wang Zhansheng from the Department of Environment of Tsinghua University stressed: "At the very least, the existing diet structure of China residents is relatively simple, and it cannot completely and naturally supplement various elements. Therefore, the nutritional role of drinking water cannot be ignored. " Professor Li Fuxing, a water nutrition expert and chairman of the Health Drinking Water Professional Committee of Chinese Medical Association, said: "It has been proved that there are nearly 10 kinds of trace elements necessary for human body in water. As far as the current dietary structure in China is concerned, many trace elements are difficult to obtain from food, mainly from water. The absorption rate of calcium in water can reach over 90%, while the absorption rate of calcium in food is only 30%. " Professor Zhu Huigang, head of the National Drinking Water Hygiene Group and Shanghai Medical University, stressed: "For drinking water, the purer the better. Inorganic elements in water exist in the form of dissolved ions, which are easily absorbed by human body. Therefore, drinking water is an important way for people to absorb minerals. Pure water contains almost no minerals. Previously, it was mainly used for boilers in thermal power plants, washing in electronics industry, integrated circuit boards and so on. Drinking pure water should be cautious, especially for children, the elderly and pregnant women. " The healthy drinking water proposed by the World Health Organization must meet six conditions, namely, no harmful substances, moderate minerals, moderate hardness, rich oxygen, small water mass and weak alkaline pH value. Pure water basically contains no minerals, its hardness is close to 0, its oxygen content is very low (distilled water is 0), its water cluster is large (> > 100Hz), and its pH value is around 6.0, so it is weakly acidic. The drinking water quality standards in Canada and Russia stipulate that the hardness should not be less than 50mg/L (calculated by CaCO3), and the standard hardness of drinking water quality in Europe and America should be kept above 60. Obviously, pure water does not meet the conditions of healthy water, and it has no nutrition, let alone excellent nutritional value. How can it be called green food? Third, drinking pure water for a long time affects health. Water is the most important of the six nutrients on which human beings depend, and minerals and trace elements in water are very important to human health. Professor Jin from the Center for Life Dynamics and Water Resources Research in beijing university of chemical technology pointed out: "Water plays a very important role in the origin and continuation of life. In this sense, it cannot be said that water is used to quench thirst. The far-reaching significance of water lies in maintaining human health and prolonging life. " When choosing drinking water, people should pay more attention to whether it is beneficial to health and whether pure water is beneficial to health. Dr Chai Weizhong, from the Center for Public Nutrition and Development of the National Development and Reform Commission, emphasized in the "2005 China Drinking Water Industry Forum" that "pure water has a strong ability to dissolve minerals and trace elements. After people drink a lot of pure water, the original trace elements, nutrients and nutrients in the body will quickly dissolve in pure water and then be excreted, which will make the nutrients in the human body out of balance, leading to health deficit, which is not conducive to health. Nowadays, many countries in Europe stipulate that pure water cannot be directly used as drinking water. " Martin Fox, MD, a famous American water expert, emphasized in the book Healthy Water: "Drinking polluted water and desalinated water (purified water) will do harm to our health." Ding Nanhu, a researcher from the Water Supply Department of China Naval Medical Research Institute, conducted experiments on mice for seven years from 1987 to 1994, and let them drink distilled water for a long time. The results showed that the mice grew slowly, lost weight, suffered from osteoporosis, muscular atrophy, and the functions of pituitary and renal gland system were destroyed. The garrison on an island in Dalian used to drink homemade distilled water (pure water). For a long time, officers and men suffered from various diseases lacking minerals. Chen Mengxiong, a senior academician of Chinese Academy of Sciences, said: "Drinking purified water for a long time will reduce the intake of minerals and beneficial elements. From a health point of view, natural water is better than pure water, and mineral water is better than natural water. " A large number of animal experiments and clinical reactions at home and abroad have proved that drinking purified water for a long time is harmful to health. To this end, the Shanghai Municipal Education Commission has issued a notice: in principle, since the school year of 1997, all primary and secondary schools and kindergartens are not allowed to use pure water as drinking water for students and children. The Shanghai Municipal Administration for Industry and Commerce has also issued a notice: advertisements for pure water should not promote "long-term drinking" and use pure water to prepare milk powder and cook. In March 2003, some primary and middle school students in Hangzhou bid farewell to pure water, and more than 654.38 million primary and middle school students drank mineral water. Recently, the China Consumers Association officially issued a warning: teenagers, children and the elderly should not drink pure water for a long time. The basic goal of green food is health. Drinking purified water for a long time will not promote health, but will do harm to the body. How can it be called colored food? Since drinking pure water has entered the market, what water to drink has always been a topic of great concern to consumers. After several years of heated debate, the conclusion is clear. Drinking pure water for a long time is not good for your health. Mineral water is an ideal drinking water. Zhu Huigang, head of the National Drinking Water Hygiene Group, a professor at Shanghai Medical University and a doctoral supervisor, said: "Mineral water is different from ordinary drinking water. It contains trace elements such as lithium, strontium, zinc, iodine and selenium, and some of them are rich in macro elements, which can supplement the trace elements and macro elements needed by the human body and regulate the acid-base balance of the human body. These characteristics are not available in ordinary drinking water. Mineral water is the crown of healthy drinking water. " Researcher Xu Fang, a senior health expert from the Institute of Environment of China CDC, pointed out: "Mineral water is different from ordinary groundwater because it contains a certain amount of minerals, trace elements or carbon dioxide gas that are beneficial to human health. Because this kind of water is not polluted by outsiders and contains no heat, it is an ideal healthy drink for human beings. We have conducted animal experiments on more than a dozen representative mineral waters in China. The results show that these mineral waters have different anti-tumor effects. Some epidemiological survey data also show that mineral water does play a great role in promoting human health and prolonging life. " Drinking natural mineral water that meets the quality standards of medical mineral water can prevent, treat and alleviate some diseases. Li Fuxing, a water nutritionist, said that although pure water is clean, there may be some hidden dangers to human body. This kind of water, which does not exist in nature, is a kind of degraded water. Its water quality has declined and its effect on human body has been "degraded". Even unpolluted natural water, after a series of purification processes such as reverse osmosis, has extracted all mineral elements from the water, and will lose its supporting structure and "degenerate", losing its physiological function because there are no mineral elements. After all, pure water is the clearest stagnant water and has no activity. The so-called "clear water means no fish" is because too clear water contains very few minerals, which is not conducive to biological growth. It is the same for people to drink water. Drinking pure water for a long time will reduce the immune function of the human body and make some beneficial nutrients in the body lose. Old people, especially those with cardiovascular diseases and diabetes, children and pregnant women should not drink this water for a long time. Due to the wide application of pesticides and insecticides and the pollution of industrial wastewater and domestic garbage to water sources, drinking water in some areas has been very unsatisfactory, so there is a phenomenon of buying pure water for drinking in families in some cities. Not to mention whether the distilled water and purified water sold in the market are qualified, just drinking distilled water and purified water for a long time is potentially harmful to the health. First, people who often drink distilled water give up that 5% of the trace elements needed by the human body come from water, and also give up the protective elements such as calcium and magnesium ions in water. Secondly, pure water has the greatest solubility. As a carrier of human excreta, it will inevitably dissolve some useful elements in the body and excrete them. The production of distilled water and purified water needs to boil the source water for evaporation, condensation and recovery, or reverse osmosis production. In this process, other substances evaporated in the source water used to produce distilled water will also condense into distilled water with the production of distilled water, such as phenols, benzene compounds and even evaporated mercury, which is harmful to health. Moreover, in theory, pure water will not be obtained by reverse osmosis. In order to obtain pure water or ultrapure water, it must be distilled twice or three times, and other purification methods must be added. It is unlikely and unnecessary for distilled water on the market to do so. It is reported that some children in a city in China are ill because of drinking purified water for a long time. People need to drink water in order to survive. What we need is clean and harmless natural drinking water. We don't necessarily drink pure and expensive distilled water or pure water. Of course, it is ok to drink distilled water occasionally. Mineral water, purified water, space water, distilled water, magnetized water ... In recent years, advertisements promoting XX water and XX water have been rolling in from all directions, and they have entered millions of families with overwhelming force. It seems that the tap water in China is no longer drinkable, so it is necessary to "abdicate" and give way to various "water" and "water". However, according to newspaper reports, a children's hospital treated nine children with muscle tremor and eyelid tremor. After examination by experts, it is believed that they are short of calcium and potassium because they drink a lot of "water". The so-called "pure water" is the water after natural water has been treated, purified and purified through several processes. The author once visited a factory that produces pure water. The factory uses natural geothermal mineral water, which is then processed by electrodialysis, ion exchange, ultrafiltration, ozone sterilization and oxygen treatment, and then packaged into bottled pure water by automatic filling line. This purified water completely removes all kinds of ions in the in-situ hot mineral water. It can be seen that in the process of making pure water, on the one hand, germs, organic matter and some toxic elements harmful to human body are removed, on the other hand, trace elements beneficial to human health and essential minerals are also removed. Humans are not supernatural special creatures. Human health depends on nutrients taken from drinking water or food. These nutrients are composed of many chemical elements. For example, oxygen, hydrogen, nitrogen, calcium, phosphorus, sodium, potassium, etc. They are abundant in human body. These elements not only constitute various cells, tissues and organs of human body, but also have many special biological functions. Some trace elements, such as zinc, selenium and fluorine. It is an indispensable component in vitamin, hormone and enzyme systems and has specific biological functions. Drinking water is an important way for human body to absorb inorganic elements such as potassium, calcium and magnesium from the natural environment. For example, potassium is the main cation in cells and plays an important role in maintaining the normal structure and function of cells. Potassium deficiency can lead to myocardial necrosis. In addition to calcium, calcium is also an indispensable element for human body. The main component of bones is calcium, and blood also contains some calcium ions. Without these calcium ions, the skin will be cut open and the blood will not coagulate easily. Calcium can also inhibit the absorption of harmful elements such as lead and cadmium. During the baby's growth and development, the bones keep growing and need enough calcium. When there is too little calcium in the human body, the myocardium is weak and the contraction is incomplete, while the excitability of skeletal muscle is enhanced, causing muscle twitching, rickets and osteomalacia. According to data reports, there are 1/3 children with zinc deficiency in China. Zinc deficiency in children will cause mental retardation and decline in learning ability. Zinc deficiency in pregnant mothers can lead to fetal congenital malformation. Zinc deficiency will also affect the normal development of human brain, heart, pancreas and thyroid. Foreign studies show that zinc deficiency can cause many diseases, such as dwarfism, diabetes, hypertension, hypoplasia of reproductive organs and secondary sexual characteristics, male infertility and so on. Of course, too much zinc intake also has adverse effects. Selenium deficiency in human body can cause heart disease, hypertension and Keshan disease. Selenium can also reduce the incidence of gastric cancer, intestinal cancer and liver cancer. Magnesium is another essential element for human body. Magnesium ion is one of the main cations in human cells, and magnesium is also an important element in many enzyme systems. Magnesium deficiency may cause local necrosis and inflammation of myocardium and skeletal muscle. In areas where magnesium is lacking in drinking water, the incidence of cancer is often higher. Therefore, drinking pure water often leads to the loss of inorganic elements such as potassium, calcium and magnesium, as well as various trace elements such as zinc, selenium and fluorine. Over time, it will inevitably lead to the imbalance of human nutrition. Especially babies and teenagers, are in the stage of intellectual development. In addition, they are very active and consume a lot of inorganic salts and minerals. Drinking pure water regularly will have a negative impact on their healthy growth. In low fluorine drinking water areas, dental caries often occur due to insufficient fluorine. The fluoride needed by human body mainly comes from drinking water. When the fluorine content in drinking water is less than 0.5 mg per liter, the prevalence of dental caries is as high as 70% ~ 90%; When the fluorine content in drinking water is 0.5 ~ 1.0 mg/L, the prevalence of dental caries is 40%. When the fluorine content in drinking water is 1.5 mg, the prevalence of dental caries is below 10%. In short, human beings have basically adapted to their own hydrogeochemical environment. Water is the most active substance in the natural environment. The physical properties and chemical composition of natural water are a comprehensive reflection of climate, topography, hydrology, geology, soil, vegetation and other factors in the environment. Drinking water is an important way for human body to absorb inorganic minerals and trace elements from the natural environment. Really high-quality mineral water is an ideal choice for human drinking water. Drinking pure water, "space water" and distilled water for a long time will cause the loss of useful substances in the body, which is not good for the body. The more pure water you drink, the higher the incidence of dental caries, which just illustrates this problem. Long-term use of pure water is not good for your health. Although it seems that pure water is very convenient to use, from the process flow of pure water, although it is pure after many times of purification, it also filters out minerals that are beneficial to your body while filtering impurities. In this way, people can't supplement some essential minerals like drinking tap water when drinking water, and living like this for a long time is not good for their health. So I suggest you still use the most commonly used method-burning tap water to drink. Although it is a little troublesome, the high-temperature sterilized tap water does not contain bacteria, but also retains minerals useful to the human body, which is good for the body. But sometimes there are so many guests at home that it is definitely too late to boil water. Pure water is still a good choice.