In 2006, a study published in The Lancet identified fluoride as "an emerging neurotoxic substance" that causes severe brain damage. The National Research Council (NRC) wrote that "it is apparent that fluorides have the ability to interfere with the functions of the brain and the body by direct and indirect means."
About a month later, another study published in Environmental Health Perspectives found a definitive link between fluoride intake and reduce IQ levels, indicating once again that fluoride intake causes cognitive damage.
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