WSJ – Industrial-grade fluoride chemicals added to US public water supplies contain arsenic that the EPA classifies as a human carcinogen. Switching to low-arsenic pharmaceutical-grade fluoride will save society $1 billion to $14 billion annually, according to research published in Environmental Science & Policy, led by former EPA senior scientists who are experts in chemical risk assessment, reports the Fluoride Action Network (FAN). Although never studied for safety or efficacy, hydrofluorosilicic acid (HFSA) is added to public water supplies as a purported cavity preventive. The industry-funded group that regulates water additives, NSF International, allows several toxins in HFSA, including arsenic. Read article
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