On October 15, 1951, Rio Vista became the first city in California to fluoridate its water supply. Rio Vista was one of the first of perhaps a dozen cities who participated in what is now recognised as one of the most successful public health campaigns of the 20th century. However, by 1956 Rio Vista had removed its fluoridation equipment, and is now one of a handful of cities in the United States which has banned its use completely. As the Rio V…
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