Information on fluoride levels in tap water and bottled water in western Europe
Additional sources of fluoride exposure in western Europe, comparisons of dental cavities statistics for 12-year-olds with those of heavily force-fluoridated countries, and more information on fluoride levels in tap water in Scotland and the Netherlands
Quotes from the 2006 US National Research Council report Fluoride in Drinking Water: A Scientific Review of EPA’s Standards relating to fluoride exposure
Information on forced-fluoridation and other artificial sources of fluoride exposure, with a satirical entrée
A large amount of information on fluoride exposure, including recent journal articles and historical knowledge, can be found via this list of sources.