Danger effects of RO Water: Most of the population in cities drink RO water but the risk of drinking RO water is also not less. It has been found in many studies that essential minerals are removed in RO water, due to which the body has to face many problems. The World Health Organization (WHO) has also warned about this many times. It has also been proved scientifically that many nutrients present in the water are destroyed in purifying the water with the technology based on reverse osmosis. Due to this, many types of dangers related to jaundice, anemia, problems in the development of newborns start coming to the fore.