Quote:
Originally Posted by mikey_the_redneck
Yet the fluoride article linked in Ashartus sig say the following:
"Overall the data do not appear to show evidence of significant adverse effects (other than fluorosis) at the “target” concentration in drinking water of approximately 1 ppm. Higher concentrations, particularly in the range of 4 ppm and above, do appear to be associated with a variety of adverse effects and should be avoided – areas where fluoride naturally exceeds this concentration should use appropriate treatment to reduce the concentration."
People are generally getting more than 1ppm fluoride.
In Ontario for example, as of 2008 the maximmum allowable fluoride concentration was 8.5ppm.
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You know Calgary fluoridates at 0.7 mg/L, right? That's 0.7 ppm.
What do you think the concentration would be if people had to dose themselves?