Comment Comment by colordrops It doesn't. The selling point is that it strengthens teeth but there really isn't strong evidence for that.An analysis done by Harvard found it to lower IQs in children:https://dash.harvard.edu/bitstream/handle/1/10579664/3491930...The data is from China but the levels at which effects were found can be found in some regions of the US.Water fluoridation started because it was a cheap and easy way to get rid of industrial chemicals:https://origins.osu.edu/article/toxic-treatment-fluorides-tr... parent colordrops 5 years ago
An analysis done by Harvard found it to lower IQs in children:
https://dash.harvard.edu/bitstream/handle/1/10579664/3491930...
The data is from China but the levels at which effects were found can be found in some regions of the US.
Water fluoridation started because it was a cheap and easy way to get rid of industrial chemicals:
https://origins.osu.edu/article/toxic-treatment-fluorides-tr...