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Referring to a common salt of fluoride, sodium fluoride (NaF), the lethal dose for most adult humans is estimated at 5 to 10 g (which is equivalent to 32 to 64 mg elemental fluoride/kg body weight). [ 2 ] [ 3 ] [ 4 ] Ingestion of fluoride can produce gastrointestinal discomfort at doses at least 15 to 20 times lower (0.2–0.3 mg/kg or 10 to 15 ...
The benefits of fluoride for your teeth have been well-established for decades, but “the controversy about fluoride goes back to the very beginning,” says Howard Pollick, B.D.S., a ...
Fluoride (/ ˈ f l ʊər aɪ d, ˈ f l ɔːr-/) [3] is an inorganic, monatomic anion of fluorine, with the chemical formula F − (also written [F] −), whose salts are typically white or colorless. Fluoride salts typically have distinctive bitter tastes, and are odorless.
Defluoridation is the downward adjustment of the level of fluoride in drinking water. Worldwide, fluoride is one of the most abundant anions present in groundwater. Fluoride is more present in groundwater than surface water mainly due to the leaching of minerals. Groundwater accounts for 98 percent of the earth's potable water. [1]
What does fluoride in your water do — and is it safe? Water fluoridation, which is the act of adding fluoride to drinking water to reach a recommended level, is designed to help prevent cavities ...
If you're unsure about your fluoride needs, it's worth checking in with a dentist for personalized recommendations. However, experts stress that there's no need to be scared of fluoride.
One unmarried, white 24-year-old woman was injected with 584 micrograms of uranium; another 61-year-old man was injected with 70 micrograms per kilogram of uranium. [ 3 ] : 93 Hodge also arranged for Dr. Sweet to inject 11 terminally-ill patients with uranium for their brain tumors; however, these subjects may have known they were being tested.
Fluoride levels in China and other countries tend to be much higher than in the U.S., the researchers noted. Fluoride has been added to public water supplies in the U.S. for decades.
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