water is the source of life, we need to drink water every day, and we often encourage people to drink more water, because drinking more water is good for health. But not all drinking water is good for health, some water may bring disease instead.

uncooked water

experts pointed out that drinking uncooked water increased the risk of bladder cancer and rectal cancer by 21% – 38%. When the water temperature reaches 100 ℃, these two harmful substances will be greatly reduced with the evaporation of steam. If the boiling continues for 3 minutes, it is safe to drink.

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some people are used to boiling the remaining warm water in the thermos bottle again for drinking. The purpose is to save water, coal (gas) and time, but this “saving” is not enough. Because water burns again and again, the water evaporates again, nitrite will rise. If you drink this water often, nitrite will accumulate in the body and cause poisoning.

thousand boiling water

thousand boiling water refers to the water that has been boiling on the boiler for a night or a long time, and the water repeatedly boiled in the electric water heater. The content of non-volatile substances, such as calcium, magnesium and other heavy metal components and nitrite, is very high in this kind of water because it is boiled for a long time. Drinking this water for a long time will interfere with people’s gastrointestinal function, resulting in temporary diarrhea and abdominal distension; toxic nitrite will also cause hypoxia, and even coma and convulsion, or even death.

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steamer water

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steamer water is steam steamed bread and other residual boiler water. The concentration of nitrite in the repeatedly used steamer water is very high. Often drinking this water or cooking porridge with this water will cause nitrite poisoning; scale often enters the human body with water, and can also cause digestive, neurological, urinary and hematopoietic diseases, and even cause premature aging and cancer.

aging water

aging water refers to the water stored for a long time. The new supersedes the old. The drinking water will slow down the metabolism of the cells and affect the growth of the body. The middle-aged and elderly will accelerate their decline. The incidence rate of esophageal cancer and gastric cancer in many old places is increasing. This may be related to the long-term consumption of aging water. The toxic substances in aging water also increased with the increase of water storage time.

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