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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 clinical symptoms of fluoride toxicity in the bones are indistinguishable from arthritis. Even low level exposure to fluoride can cause or worsen the symptoms in consumers with vulnerable genotypes. [5] [6] [7]
Symptoms of HF exposure include irritation of the eyes, skin, nose, and throat; eye and skin burns; and bone damage. [3] Complications may occur due to fluoride toxicity. [1] Once absorbed into blood through the skin, [1] it reacts with blood calcium and may cause cardiac arrest.
In fact, 75% of fluoride intake comes from drinking water with added fluoride and from food and beverages, such as sodas and fruit juice, made with fluoridated water, according to the CDC.
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 ...
The U.S. Public Health Service’s recommendation is a fluoride concentration of 0.7 mg/L of drinking water—and there were not enough data to determine if 0.7 mg/L of fluoride exposure in ...
Symptoms such as fractured hips in the elderly or brittle and weak bones may be caused by fluorine deficiency in the body. [14] Fluoride stimulates bone formation and increases bone density; [15] however, bone with excess fluoride content has an abnormal structure resulting in increased fragility. Thus, fluoride therapy results in large ...
However, detractors focus on research suggesting toxic effects of fluoride at high levels, concerned that it may be harmful even at low levels. Kennedy plans to “advise all U.S. water systems to ...