Study Suggests Link between Fluoridated Water Consumption and Decreased Thyroid Function
Written by Greg Arnold, DC, CSCS. Compared to residents in areas where water samples contained less than 0.3 milligrams of fluoride per liter of water, risk of having hypothyroidism was significantly greater (40%) with fluoride levels were between 0.3 and 0.7 mg/L and 60% greater with fluoride levels greater than 0.7 mg/L.