In the high-fluoride city, 15% had scores indicating mental retardation and only 6% in the low-fluoride city.
The study authors write: "In this study we found a significant dose-response relation between fluoride level in serum and children's IQ."
Fluoride is added to 70% of U.S. public drinking water supplies.
Fluoride is the poison...Fluoride is classified as a neurotoxin, just as harmful as lead and aluminum to the human developing brain.
30% of American children have fluorosis (too much fluoride). Over exposure to fluoride can cause osteosarcoma, a rare form of bone cancer in children. Fluoride suppresses the thyroid functions, contributing to depression, and hypothyroidism.
How Much Fluoride in Water Is Safe? Zero. There should be no fluoride added in drinking water! Studies show that over 2.5 ppm is toxic, yet the EPA allows up to 4 ppm in the water.
Edited by Big Bad Voodoo, 29 September 2013 - 06:50 PM.