https://blogs.mercola.com:443/sites/vitalvotes/archive/2017/09/19/fluoride-exposure-in-utero-linked-to-lower-iq-in-kids-study-says.aspxIn the largest and longest study of the effect of water fluoridation on the developing brain, researchers have found that children exposed to fluoride in utero had noticeable drops in IQ. According to CNN Health , the study was conducted in Mexico, whereenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)