Second thoughts about fluoride.

This article examines fluoridation of water in the U.S. as some studies are suggesting that over consumption of fluoride can increase the risk of diseases of the teeth, bones, brain and thyroid gland. The National Research Council has recommended that the doses of fluoride be lowered in the public water systems due to the potential for adverse health effects. INSETS: Debating the Effects;SIGNS OF FLUOROSIS;A FLUORIDE DIET;FLUORIDE HISTORY