Scientists warn that children and pregnant women it is better to refrain from drinking tap water and cooking on it. The analysis showed elevated levels of trihalomethanes. This carcinogen is formed in contact with organic substances with chlorine and is relative to the population, according to The Brisbane Times.
Substance penetrates through the skin, respiratory tract and digestive tract. Today, it is not clear how trihalomethanes affect prenatal development of the fetus. It is assumed that the substance increases the risk of cancer liver, kidney, bowel and bladder.
Note that the last Samui scientists from the University of umeå found in conventional water treatment for anxiety. Connection changed the behavior of fish. In addition, in the water were traces of hormonal contraceptives. They changed gender of fish.