For a long time, those in power have said that fluoridation of drinking water (recommended by the Centers for Disease Control and Prevention) is
be considered One of the greatest health achievements of the last century, this technology is safe and effective, despite reported high levels of exposure. Linked Causes various health problems in humans Like Osteosclerosis, tendon calcification, endocrine dysfunction, bone deformities.
Those who dared to suggest that government efforts to prevent tooth decay might have side effects such as intellectual disability or cancer were often denounced. Quack Doctor and Conspiracy theorist I noticed something.
The National Toxicology Program, part of the U.S. Department of Health and Human Services,
Report Fluoridated water could lower children’s IQs, it was revealed on Wednesday.
Office of Dietary Supplements of the National Institutes of Health Shown In the United States, fluoridated municipal drinking water accounts for approximately 60% of fluoride intake, and as of 2020, 62.9% of the population had access to a fluoridated water system.
“High estimated fluoride exposure (e.g., approximations of exposure such as drinking-water fluoride concentrations above the World Health Organization drinking-water quality guideline of 1.5 mg/L) has been consistently associated with reduced IQ in children,” the NTP report said.
When assessing scientific evidence about an association between a particular health outcome and exposure, the NTP uses four confidence levels: high, medium, and very low.
After evaluating numerous epidemiological studies conducted in countries including Canada, China, India and Mexico, where some pregnant women, infants and children were exposed to levels of fluoride above 1.5 milligrams per liter of drinking water, the NTP “concluded that there is moderate confidence in the scientific evidence indicating an association between high fluoride levels and lower IQ in children.”
Although numerous studies caught the investigators’ attention, they appear to have focused primarily on 19 high-quality studies with low risk of bias. Eighteen of these studies, which assessed children’s IQ, provided “consistent evidence of an inverse correlation between estimated fluoride exposure and IQ scores.”
Meanwhile, the World Health Organization guidelines state:
Recommend The U.S. Department of Health and Human Services (HHS) has instead set a safe limit for fluoride at 1.5 mg/L. Recommendation The fluoride concentration is 0.7 milligrams per liter, “a level that helps prevent tooth decay and promotes good oral health,” it noted, though some communities across the U.S. may have slightly more or less fluoride in their water.
For example, in New York City,
addition Fluoride compounds are supplied in tap water at a concentration of approximately 0.8 mg/L.
Prior to 2015, the recommended upper limit in the United States was 1.2. The recommended concentration is
Changed It was carried out in 2015 to minimise the risk of dental fluorosis.
According to the NTP report, as of 2020, approximately 3.5 million Americans have water with more than 1.1 mg/L of natural fluoride, about 1.9 million have water with more than 1.5 mg/L, and 1 million have water with more than 2 mg/L of natural fluoride.
“The inverse association between estimated fluoride exposure and children’s IQ was consistent across different study populations.”
The report further cited recent research that “U.S. [community water systems] Private wells contain natural fluoride concentrations greater than 1.5 mg/L and serve more than 2.9 million U.S. residents.”
The NTP report did not confirm whether the currently recommended level of 0.7 mg/L is reducing the public’s intelligence, but called for “targeted studies prospectively examining the relationship between fluoride exposure and children’s IQ in optimally fluoridated areas of the United States to clarify the existing data.”
According to the NTP, “there is also some evidence that fluoride exposure is associated with other neurodevelopmental effects in children,” but the NTP’s confidence in that evidence is currently low.
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