Oh, boy. This will be fun. To the (many) people in this comments section who seem unable to read, here's the conclusion of the study: "Community water and sal

Oh, boy. This will be fun. To the (many) people in this comments section who seem unable to read, here's the conclusion of the study: "Community water and salt fluoridation, and fluoride toothpaste use, substantially reduces the prevalence and incidence of dental caries (sic) (Jones et al. 2005) and is acknowledged as a public health success story (Easley 1995). Our findings must be confirmed in other study populations, and additional research is needed to determine how the urine fluoride concentrations measured in our study population are related to fluoride exposures resulting from both intentional supplementation and environmental contamination. However, our findings, combined with evidence from existing animal and human studies, reinforce the need for additional research on potential adverse effects of fluoride, particularly in pregnant women and children, and to ensure that the benefits of population-level fluoride supplementation outweigh any potential risks." This is a preliminary study that doesn't even try to establish a causal connection between water fluoridation and intelligence. It suggests an avenue of future research. It's not a license to assert whatever fringe beliefs you want. The evidence is that water fluoridation is safe and effective. Maybe future studies will change that, but those studies have yet to be done. We should all be skeptics. Dismissing the consensus in favor of conspiracy theories is not skepticism. It is blind credulity.