>>25659774
Trend comes from USA. In the 20th century they found out that people in states with high fluorid water had more teeth. So they put it into the drinking water. Now they realize it makes them dumb. No idea what comes next.
>>25659782
https://www.prnewswire.com/news-releases/harvard-study-finds-fluoride-lowers-iq---published-in-federal-govt-journal-163531556.html
Nah they just reproduced what was already known
>>25659797
they did not
there is studies showing 0 effect on dental health with forced fluoridation in the water
On the contrary it causes tooth decay called fluorosis
And that probably why ever shart has veneers by 50