The U.S. Centers for Disease Control (CDC) issued a startling report dated April 2015 that admits 2 in 5 children in America show signs of fluoride poisoning, (streaking, spotting or pitting of teeth due to dental fluorosis). The agency concluded that levels need to be lowered in municipal water supplies, reducing it to 0.7 milligrams per liter (the previous recommended upper limit was 1.2 milligrams per liter issued in 1962). This ends over five decades of the U.S. governmen

Fluoride is a trace mineral found in differing concentrations in foods and water. Foods high in it include fish, tea, and many different vegetables. It is added into the municipal water supply of many cities in the United States. Municipal water treatment plants have historically added fluoride to the water to help prevent tooth decay, and they try to maintain a level of 1.0 - 2.0 mg/L (or 1.0 - 2.0 ppm). Water concentration above 5 mg/L (or 5ppm) is detrimental to ones tooth