Many who oppose water fluoridation consider it to be a form of compulsory mass medication.[10]
Water fluoridation was characterized in at least one journal publication as a violation of the Nuremberg Code and the Council of Europe's Biomedical Convention of 1999.[1]...
...Fluoride can occur naturally in water in concentrations well above recommended levels, which can have several long-term adverse effects, including severe dental fluorosis, skeletal fluorosis, and weakened bones.[15] ...
...In rare cases improper implementation of water fluoridation can result in overfluoridation that causes outbreaks of acute fluoride poisoning, with symptoms that include nausea, vomiting, and diarrhea. Three such outbreaks were reported in the U.S. between 1991 and 1998, caused by fluoride concentrations as high as 220 mg/L; in the 1992 Alaska outbreak, 262 people became ill and one person died.[18] In 2010, approximately 60 gallons of fluoride were released into the water supply in Asheboro, North Carolina in 90 minutes—an amount that was intended to be released in a 24-hour period.[19]...
...Water fluoridation is effective at reducing cavities in both children and adults.[7] Studies have shown that water fluoridation has led to reductions of 50–60% in childhood cavities; while more recent studies show lower reductions (18–40%), likely due to increasing use of fluoride from other sources, notably toothpaste, and also to the halo effect of food and drink made in fluoridated areas and consumed in unfluoridated ones.[22]...
...Most countries in Europe have experienced substantial declines in cavities without the use of water fluoridation.[26] For example, in Finland and Germany, tooth decay rates remained stable or continued to decline after water fluoridation stopped. Fluoridation may be useful in the U.S. because unlike most European countries, the U.S. does not have school-based dental care, many children do not visit a dentist regularly, and for many U.S. children water fluoridation is the prime source of exposure to fluoride.[27].The effectiveness of water fluoridation can vary according to circumstances such as whether preventive dental care is free to all children.[28]..
https://en.wikipedia.org/wiki/Water_fluoridation_controversy
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