Re:Man says he lowered his town’s water fluoride for over a ...
by fy20 on Saturday October 22, 2022 @12:20AM
(#33295642)
There are many parts of Europe that do not add fluoride, often it differs within the same country so you can rule of culture differences:
https://www.researchgate.net/figure/Map-of-England-and-Wales...
This guy just inadvertently (or not) created a great study pool.