| http://www.w3.org/ns/prov#value | - In contradiction to their own results, P&G declares that fluoride does not cause precancerous or cancerous changes. 1990 A study by Dr.John Yiamouyiannis on 39,000 school children contradicts any alleged benefits from the use of sodium fluorides. 1990 Two scientific studies reveal that experience with other developmental neurotoxicants will be comparable across species, especially humans and rat
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