> An analysis done by Harvard found it to lower IQs in children:
Looking at that statistic, the levels of the high group are generally ranging from 2-4 mg/L. The target level of water fluoridation is usually about 0.7-1 mg/L, which is about the level of the reference groups in that statistic.
As the saying goes, the dose makes the poison, and this is already extremely well-known for fluorine, and accounted for in the water treatment process and regulations.
Looking at that statistic, the levels of the high group are generally ranging from 2-4 mg/L. The target level of water fluoridation is usually about 0.7-1 mg/L, which is about the level of the reference groups in that statistic.
As the saying goes, the dose makes the poison, and this is already extremely well-known for fluorine, and accounted for in the water treatment process and regulations.