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Your source says: "all but one (Chinese) study suggested that high fluoride content in water may negatively affect cognitive development." The source does not

Your source says: "all but one (Chinese) study suggested that high fluoride content in water may negatively affect cognitive development." The source does not support claims that US levels of flouridation are too high nor that it is detrimental to brain development.

logn 11y ago
Some of the levels studied (mg/L) -- .88, 1.8, 2.97, 1.81-2.69, 4.12, 2.0, 3.15, 2.9, 2.97, .57-4.5, 2.5, 1.24-2.34, 2.47, 2.38
- nitrogen 11y ago
  What are the levels used in US municipal fluoridation?
  - x5n1 11y ago
    between .7-1.2 mg now it's going down to .7 mg.