Higher fluoride exposure was linked to lower IQ among children, a large meta-analysis indicated, although with limited data quality. Inverse associations and a dose-response association were found between fluoride measurements in urine and drinking water and children's IQ across literature from multiple countries,

A controversial new study out Monday in a US medical journal could reignite debate over fluoride's safety in water, linking higher exposure levels to lower IQ in children.

Inverse associations are observed between fluoride measurements in urine and drinking water and children's IQ, accordin

A rigorous nine-year research review looking at the relationship between fluoride and intelligence in children concludes that as fluoride levels rise, IQ drops.

A new report that analyzes research on fluoride and IQ scores finds that the more fluoride a child is exposed to, the lower he or she tends to score on intelligence tests. The findings' relevance to the U.

An analysis of more than 70 studies on fluoride and IQ levels concluded there was a relationship between higher levels of the common water additive and lower IQ levels in children, though a large percentage of the studies were noted as having a “high risk of bias.