> You could have simply answered that both fluoride and lead seem to lower IQ so using either as an additive would be questionable. This would have inaccuratel

> You could have simply answered that both fluoride and lead seem to lower IQ so using either as an additive would be questionable. This would have inaccurately reflected my understanding of the science: the link between fluoride and IQ is far more tenuous than lead at this point. See the study in the link above. > That seems dismissive as hell, especially since the US is the odd man out here by choosing to medicate their water supply. It's not intended to be dismissive, it's the primary reason why someone would have fluoride and IQ on their mind at the moment.