The researchers investigated cities that had both fluoridated and unfluoridated water. Miller complained that there had been no studies carried out to assess the potential adverse health risk to senior citizens, pregnant women, or people with chronic diseases from exposure to the fluoridation. Centers for Disease Control has identified community water fluoridation as one of ten great public health achievements of the 20th century.The first pair was Muskegon, Michigan and Grand Rapids, Michigan, making Grand Rapids the first community in the world to add fluoride to its drinking water to try to benefit dental health on January 25, 1945. A decrease in the incidence of tooth decay was found in some of the cities which had added fluoride to water supplies. residents were living in communities with fluoridated water at that time. The CDC recommends water fluoridation at a level of 0.7–1.2 mg/L, depending on climate.
As with some other countries, water fluoridation in the United States is a contentious issue. Mc Kay, 87.5% had some degree of stain or mottling.
Public Health Service by 1951, and by 1960 water fluoridation had become widely used in the U. 74.6% of those on CWS were receiving water with fluoride at or above recommended levels.
Those included the 3.5% of the population that were on CWS with naturally occurring fluoride at or above recommended levels.
population were getting water from community water systems (CWS) supplying water that had fluoride at or above recommended levels.
Fluoridation has been the subject of many court cases wherein activists have sued municipalities, asserting that their rights to consent to medical treatment and due process are infringed by mandatory water fluoridation.