>Well it halved childhood cavities in the 50s. It did its job and I don’t think it’s hard to understand why it was done. What I heard (but did not verify) was

>Well it halved childhood cavities in the 50s. It did its job and I don’t think it’s hard to understand why it was done. What I heard (but did not verify) was that cavities reduced similarly in countries that did not have fluoride in the water around the same time.