Children exposed to higher fluoride levels have lower IQs, a government study finds [Video]

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.While an impact like that may seem small for any one person, on a wider scale, the study authors note, the consequences are significant, especially for those who are vulnerable because of risk factors like poverty and nutrition.”A 5-point decrease in a population’s IQ would nearly double the number of people classified as intellectually disabled,” they write in their conclusions.The study, which was published Monday in the journal JAMA Pediatrics, comes with a backstory. It was conducted by scientists at the government’s National Toxicology Program, a program that evaluates …