According to health experts, drinking cool boiled water is a good hygiene method for health but if done wrong, it is loading bacteria into people.
The water that is considered to be both good and convenient and low cost now for many Vietnamese families is cool boiled water.
Drink only boiled water for a day.
"However, it is required to boil sufficient time, temperature and the source of water for boiling is tap water because tap water meets the National Technical Regulation on drinking water quality QCVN 01: 2009 / BYT of the Ministry of Health. If you use well water or water from rivers, streams, ponds, lakes, or water with toxic substances to the body, boiling water cannot eliminate toxins, heavy metals . in water but only destroy them. "When water boils at 100 degrees Celsius, the bacteria will be destroyed at the same time, and water cooled down for a long time will be easily re-infected: dust, microorganisms . the surrounding air environment", Dr. Nguyen Thi Van Anh, Department of Environmental Health & School Health, Preventive Medicine Center of Ho Chi Minh City said.
In addition, boiling water to drink is essential but should only drink boiled water to cool for one day, not to the next day or longer .
Doctor Van Anh said that if the water boils for more than 2 hours, the bacteria will reappear, after 24 hours the amount of bacteria has increased greatly . If you just mix new boiled water into old boiled water together or let the water source boil for a long time, accidentally it will multiply the number of bacteria of the water to increase quickly and can be harmful to the body. .
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