Dentists love fluoride, and say it has vastly cut down the number of cavities they fill?although chocolate may work better. But does it have a negative side as well?

Reporter Russ Hamerly quotes a January article in Scientific American as saying that “some recent studies suggest that over-consumption of fluoride can raise the risks of disorders affecting teeth, bones, the brain and the thyroid gland.” He quotes Paul Beeber, who is head of the New York State Coalition Opposed to Fluoridation, as saying, “Fluoride, the most consumed drug in the USA, is deliberately added to 2/3 of public water supplies theoretically to reduce tooth decay, but with no scientifically-valid evidence proving safety or effectiveness.”
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