Facts About Fluoridation You Did Not Knowhttp://articles.mercola.com/sites/articles/archive/2002/01/30/fluoridation-facts-ref.aspxReferences 1) Fluoride: Not an Essential Nutrient:National Research Council (1993). Health Effects of Ingested Fluoride. National Academy Press, Washington DC. See page 30. 2) Arsenic Levels in Fluoridation Chemicals:Hazan, Stan (2000). Letter to FloridaenCommunityServer 2008.5 SP1 (Build: 31106.3070)