Many of us: some because of laziness, and some in order to save money, do not pour out the rest of the previously boiled water, but simply turn on the kettle again. As experts have found out, such actions over time can remind you of serious illnesses..

Tap water contains various impurities that are added for the purpose of disinfection.. The most dangerous for human health is arsenic, which is added to destroy pathogenic microorganisms.. Drinking re-boiled water for a long time can cause poisoning of the body..

The water contains various salts and minerals.. One of these elements is fluorine.. When re-boiling, the chemical conversion of fluorine into fluorides occurs.

. Studies have determined that it is fluorides that increase the risk of infertility in women, as well as mental retardation in children..

The ingress of nitrates into the water is already alarming in itself.. But the main danger lurks when boiling such water.. Under the influence of high temperature, nitrates are converted to nitrosamines. Nitrosamines are a factor that increases the risk of developing cancer, scientists say..

medical-heal. en.