Did I read that right? A rigorous nine year GOVERNMENT study?
https://www.cnn.com/2025/01/06/health/children-higher-fluoride-levels-lower-iqs-government-study/index.html
A rigorous nine-year research review looking at the relationship between fluoride and intelligence in children concludes that as fluoride levels rise, IQ drops.
Every 1 part per million increase in fluoride in urine — a way of measuring all the sources of fluoride a person consumes — was associated with a roughly 1 point drop in a child’s IQ score, the review concluded.