The dose makes the poison - there's a pretty dramatic correlation between low level fluoridation like the kind that's added to water and oral health, with not much at all linking it to health issues.
I would not say that is dramatic or even meaningful. The findings are full of statements on how the the studies they considered were "of moderate quality, but of limited quantity". And they conclude with saying basically that they have no conclusion.
The dose makes the poison - there's a pretty dramatic correlation between low level fluoridation like the kind that's added to water and oral health, with not much at all linking it to health issues.
http://www.york.ac.uk/inst/crd/fluorid.htm
http://www.nature.com/bdj/journal/v192/n9/full/4801410a.html
I would not say that is dramatic or even meaningful. The findings are full of statements on how the the studies they considered were "of moderate quality, but of limited quantity". And they conclude with saying basically that they have no conclusion.
I think we may have read different studies. From the conclusions on the second link:
From the evidence available, it can be concluded that fluoridation of public water supplies does prevent caries and is associated with fluorosis.
Personally speaking, I'd call 15-25% reductions "dramatic".
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