So in other words, 0.7mg/L fluoridated water is also not associated with lower IQ in children. That study did not prove it safe, but it did prove it unsafe, either.
That study did prove, that too much flouride is not good for intelligence.
And there are other sources besides water from the tap, so I don't think it is intelligent to raise the base level, when the option of local applying exists. What is wrong with toothpaste?
And there are other sources besides water from the tap, so I don't think it is intelligent to raise the base level, when the option of local applying exists. What is wrong with toothpaste?