FermanMonteRae

Levy says that just publishing the meta-analysis of human studies doesn’t give readers important context about animal studies conducted by the National Toxicology Program, which found no apparent decrease in learning and memory in rodents exposed to low to moderate fluoride levels. He points out that all of the human studies included in the review were from countries outside the US and that the majority are classified by the study authors as having a high risk of bias.
“Thus, despite the presentation of some evidence of a possible association between IQ and high fluoride levels in water, there is no evidence of an adverse effect at the lower fluoride levels commonly used in [community water fluoridation] systems,” he wrote.

The study authors agree with him on that point.

In a statement, they say they didn’t have enough data to know whether the level of fluoride that’s recommended for drinking water has any effect on children’s IQ.

https://www.cnn.com/2025/01/06/health/children-higher-fluoride-levels-lower-iqs-government-study/index.html

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