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Fluoride toxicity is a condition in which there are elevated levels of the fluoride ion in the body. Although fluoride is safe for dental health at low concentrations, [ 1 ] sustained consumption of large amounts of soluble fluoride salts is dangerous.
Water and food sources of fluoride include community water fluoridation, seafood, tea, and gelatin. [52] Soluble fluoride salts, of which sodium fluoride is the most common, are toxic, and have resulted in both accidental and self-inflicted deaths from acute poisoning. [4]
Pitcher or faucet-mounted water filters do not alter fluoride content; the more-expensive reverse osmosis filters remove 65–95% of fluoride, and distillation removes all fluoride. [11] Some bottled waters contain undeclared fluoride, which can be present naturally in source waters, or if water is sourced from a public supply which has been ...
The use of fluoride in tap water has been hailed by the U.S. Centers for Disease Control and Prevention as one of the 10 greatest public-health achievements of the 20th century.
A federal judge has ordered the U.S. Environmental Protection Agency to further regulate fluoride in drinking water because high levels could pose a risk to the intellectual development of children.
For example, an adult man weighing 155 pounds would have to drink about 93 gallons of water all at once to develop acute poisoning. Chronic fluoride toxicity would only develop after 10 or more ...
Ammonium fluoride is the inorganic compound with the formula NH 4 F. It crystallizes as small colourless prisms, having a sharp saline taste, and is highly soluble in water. Like all fluoride salts, it is moderately toxic in both acute and chronic overdose. [3]
In 2022, notes the CDC, more than 209 million people, or 72.3% of the U.S. population served by public water supplies, had access to water with fluoride levels that prevent tooth decay.