According to the report, 8 of the 9 “high-quality studies examining cognitive or neurodevelopmental outcomes reported associations with fluoride exposure.”
Of the 19 high-quality studies assessing the association between fluoride and IQ in children, 18 reported an association between higher fluoride exposure and lower IQ in children. Forty-six of the 53 low-quality studies also found evidence of that association.
..“people consume large amounts of fluoride through tea and other drinks and processed foods made with fluoridated water, not to mention pesticide ingestion and fluoride from air pollution.” …
In 2016, a group of six nonprofit organizations and several individuals petitioned the EPA to end fluoridation of drinking water in the U.S. based on evidence of health risks associated with fluoride, namely neurotoxicity. …
They based their initial claims on dozens of studies and reviews demonstrating fluoride’s neurotoxicity. Studies have also linked fluoride to a variety of other health risks in both children and adults, and evidence shows it to be an endocrine disruptor.