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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. Referring to a common salt of fluoride, sodium fluoride (NaF), the lethal dose for most adult ...
Fluoridation does not affect the appearance, taste or smell of drinking water. [ 1 ] Water fluoridation is the addition of fluoride to a public water supply to reduce tooth decay. Fluoridated water contains fluoride at a level that is effective for preventing cavities; this can occur naturally or by adding fluoride. [ 2 ]
More than 200 million Americans, or about 75% of the population, currently have fluoride added to their drinking water at recommended levels of 0.7 milligrams of fluoride per liter of water.
The CDC recommends water fluoridation at a level of 0.7–1.2 mg/L, depending on climate. The CDC also advises parents to monitor use of fluoride toothpaste, and use of water with fluoride concentrations above 2 mg/L, in children up to age 8. [30] There is a CDC database for researching the water fluoridation status of neighborhood water. [31]
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.
The researchers also found that the same increase in fluoride levels was associated with an 18.5% increase in a child's symptoms related to autism spectrum disorder, as well as an 11.3% increase ...
Dental fluorosis is a common [2] disorder, characterized by hypomineralization of tooth enamel caused by ingestion of excessive fluoride during enamel formation. [3] It appears as a range of visual changes in enamel [4] causing degrees of intrinsic tooth discoloration, and, in some cases, physical damage to the teeth.
"Between 1981 and 1984, fluoride’s association with adverse effects including osteosclerosis, enamel fluorosis, and psychological and behavioral problems was contested," Chen said.
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