In the 1950s and early 60s far right conspiracy theorists warned that water fluoridation was a fundamental part of the Communist plot to take over the United States.
https://www.kff.org/affordable-care-act/perspective/the-aca-and-fluoridation-the-power-of-political-symbols/
RFK, Jr. and the Trump White House will have to contend with Representative Paul Gosar of Arizona, a big fluoride booster when he was a practicing dentist in Flagstaff.
(both from the Arizona Daily Sun, 2001)
