Do not drink these waters!

Nowadays, many people think that the tap water is unclean and the water purifier is not reliable. It is better to drink the bottled water and rest assured that the bottled water is really as pure as it looks. According to reports, the results of a scientific study poured a bottle of "cold water" into the bottled water industry: in mid-March, Orb Media, a non-profit news organization in Washington, DC, and scientists at the State University of New York at the University of New York, 11 A well-known brand of 259 bottles of water was tested and found to contain plastic particles in almost all bottled water. You think that you are drinking "pure water" and actually ingesting a lot of plastic particles. The results of this study have caused an uproar in the international media, and have also raised concerns about whether bottled water is as pure and healthy as it seems. According to the report, the most critical issue is whether plastic particles are harmful to human health. However, due to the lack of research in this field, no one can give a definitive answer.

Drinking water safety is closely related to physical health. When it comes to water poisoning and other news, it is reported in newspapers. Some diseases are related to drinking water. How to drink water? Prevent water poisoning? What kind of water can't drink? Previously, the family doctor's online question and answer platform had experts to answer us in detail.

How to prevent the occurrence of water poisoning?

Dr. Zhan Hong, chief physician of the First Affiliated Hospital of Sun Yat-sen University, told us that to avoid water poisoning, we must master the techniques of drinking water. First, we must replenish salt in time. Appropriately drink some light salt water to supplement the inorganic salts taken by the body's massive sweat. According to reports, add 1 gram of salt to 500 ml of drinking water and drink it at the right time. This not only complements the needs of the body, but also prevents electrolyte imbalance. Second, drink a small amount of water several times. When you are thirsty, you can't drink it once. You should drink it several times, and drink less every time to benefit the body. It is advisable to use 100 ml to 150 ml each time, and the interval is half an hour. Third, avoid drinking "ice" water. Summer temperatures are high, people's body temperature is also high, drinking a lot of cold drinks can easily cause digestive diseases, it is best not to drink below 5 °C. Experts suggest that drinking light salt at around 10 °C is more scientific. This will not only cool the thirst, but also harm the stomach, and also timely replenish the salt needed by the human body.

Liver cancer mortality is related to drinking water pollution

Domestic data show that the mortality rate of liver cancer is positively correlated with the degree of drinking water pollution. The mortality rate of liver cancer in drinking ditch pond water is 60-100/100,000, and that of drinking well water or deep well water is less than 20/100,000. Due to advances in water quality analysis technology, it has been found that there are more than one hundred kinds of carcinogenic, cancer-promoting and mutagenic substances in contaminated water. The epidemic area of ​​hepatitis in China is also the area with heavy drinking water pollution.

Don't drink water that is repeatedly boiled

We boil water and drink it, on the one hand to disinfect and kill harmful microorganisms in raw water; on the other hand, because urban tap water is chlorinated, chlorine interacts with residual organic matter in water to form halogenated hydrocarbons. The toxic carcinogenic compounds such as chloroform, after boiling for a suitable period of time, minimize the content of halogenated hydrocarbons and chloroform, and become safe drinking water.

But boiled water is not burnt as long as possible, because the longer the burning time, the less volatile harmful substances and nitrite in the water, will be concentrated due to the evaporation of water, the content is relatively high, drink such water, the same for the body harmful.

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