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'Second Thoughts about Fluoride,' Reports Scientific AmericanWed Jan 2, 2008 9:48am ESTNEW YORK, Jan. 2 /PRNewswire-USNewswire/ -- "Some recent studies suggest that over-consumption of fluoride can raise the risks of disorders affecting teeth,bones, the brain and the thyroid gland," reports Scientific American editors(January 2008). "Scientific attitudes toward fluoridation may be starting toshif…