as anyone with calcium, magnesium and Vitamin C deficiencies. (At the level of 0.4 ppm, renal kidney impairment has been shown.) (Junco, L.I. et al, Renal Failure and Fluorosis", Fluorine & Dental Health, JAMA 222:783-785, 1972)How Does Fluoride Get Into the Water?Most often as a byproduct from the fertilizer, aluminum and other industries, who manage to sell this toxic waste to municipalities