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Starting in the late 1980s studies emerged from China that indicated that the IQ of children were lower in villages with high fluoride exposure compared to those with lower exposure. Subsequently these studies have been joined by others from India, Iran and Mexico. 27 of these studies were reviewed by a team from Harvard (Choi et al, 2012). For many years proponents of fluoridation have contented themselves with the notion that these studies were done at higher concentrations than used in community water fluoridation (0.7 to 1.2 ppm) and that there were weaknesses in the methodologies used. These criticisms can be dismissed now that US government funded studies indicate that the offspring of children whose mothers were exposed to fluoride during pregnancy at the levels expected in fluoridated communities in Mexico, Canada and the US, had lowered IQ. The most recent study from Canada indicates that children who were bottle-fed in fluoridated communities had lowered IQ than children bottle-fed in non-fluoridated communities by as much as 9 IQ points. Never-the-less health authorities in fluoridated countries are still failing to advise pregnant women to avoid fluoridated water nor warn parents to use bottled water not fluoridated tap water to make up baby formula. Meanwhile, the Fluoride Action Network along with several non-governmental organizations and individuals have taken the EPA to court under provisions in the Toxic Substances and Control Act (TSCA) to force this agency to forbid the deliberate addition of fluoridation chemicals to the drinking water to avoid the unnecessary risk they pose to the mental development of the infant and the fetus. The case is due to be heard April 20, 2020 in the San Francisco Federal Court.