Knowledge of drinking water safety in daily life

What kind of water is safe drinking water?
Water is an important part of the body, is one of the seven major nutrients (minerals, lipids, protein, vitamins, carbohydrates, water and dietary fiber), plays an important role in human health. Scientific, reasonable and safe drinking water, in order to protect the healthy life of life. From the perspective of drinking water and health, good drinking water should meet the following requirements: First, clean, free of pathogens, heavy metals and harmful chemicals; the second is containing the right amount of minerals and trace elements; Fresh amount of dissolved oxygen; four is alkaline, water molecules to small, strong activity.
At present, China's residents of drinking water are: tap water, purified water, man-made mineral water, mineral water and natural water. Tap water is taken directly from natural water (surface water, groundwater), after a series of treatment process purification and disinfection and then input to the user, is currently the most common domestic drinking water. Pure water is generally the city of tap water as the source of water, the harmful substances filter at the same time, but also to remove the potassium, calcium, magnesium, iron, zinc and other minerals required by the human body, should not drink.
Drinking Mineral Water is to improve the mineral content of water by artificially adding minerals. Although this water supplement the pure water part of the lack of mineral elements, but the added minerals can be absorbed by the body, the use of further research. Mineral water is an uncontaminated natural groundwater that is naturally emitted from the depths of the earth or is artificially mined. Mineral water contains certain mineral salts, trace elements and carbon dioxide gas, easily absorbed by the body. Appropriate drinking mineral water is beneficial to the health of the body.
What should we drink?
Boiled water is the most in line with the needs of the human body drinking water. The best time to boil water is to boil water and then boil for 3 to 5 minutes with a small fire. Studies have shown that chlorinated water, with the temperature rise, the resulting halogenated hydrocarbons and other carcinogenic substances are also rising. Burned 90 degrees Celsius and just boiled water, the potential danger is greatest. Boil and then heat 3 to 5 minutes, these harmful substances can be quickly volatile. However, the water burning time is too long nor negative, because the longer the burning time, the more evaporation of water, nitrite content in water may be higher, will endanger human health.
Drink water to 25 to 30 degrees Celsius is appropriate, should not be too high or too low. Water temperature is too low will cause gastrointestinal discomfort, too high can cause oral, pharynx, esophageal and gastric mucosal burns caused by congestion and inflammation, long-term inflammation may become the cause of cancer. Raw water and steamer water should not be consumed. Raw water is not clean, disinfected water, such as river water, streams, well water, reservoir water, etc., may contain pathogenic microorganisms, direct drinking can occur after intestinal disease. Such as acute gastroenteritis, typhoid, dysentery, parasitic diseases. Steamer pot is steamed rice and steamed bread, the remaining pot of water. Due to heating a long time, which heavy metals and nitrite will be concentrated, the content increased, the human body will cause harm.
Reasonable choice of drinks. The main function of the beverage is to supplement the human body's moisture, while giving the consumer a pleasant taste. But a lot of beverage products contain sugar and protein, but also added the essence and color, after drinking is not easy to cause hunger. So the use of drinks instead of drinking water, not only can not get the role of the body to pay water, but also reduce appetite, affecting digestion and absorption. At the same time, most of the drinks contain a certain amount of sugar, a large number of drinks, especially high sugar content of the beverage, will inadvertently ingest too much energy, resulting in excess energy. Some people, especially children and adolescents, drink plenty of sugar every day instead of drinking water, is an unhealthy habit and should be corrected
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