NEW YORK, Dec. 21, 2010 /PRNewswire-USNewswire/ -- Exposure to fluoride may lower children's intelligence says a study pre-published in Environmental Health Perspectives, a publication of the National Institute of Environmental Health Sciences (online December 17, 2010). Fluoride is added to 70% of U.S. public drinking water supplies. According to Paul Connett, Ph.D., ... Continue Reading