The Great Fluoride Debate
Civics 101 - Un pódcast de NHPR - Martes
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Cities and towns all over the country add fluoride to their water supply. That wasn't always the case, and the controversy over the element continues today.
Civics 101 - Un pódcast de NHPR - Martes
Cities and towns all over the country add fluoride to their water supply. That wasn't always the case, and the controversy over the element continues today.