Fluoride Action Network Calls For A Moratorium
http://www.scoop.co.nz/stories/GE0408/S00055.htm
FLUORIDE ACTION NETWORK (NZ) Inc.fannz.org.nz
FLUORIDE ACTION NETWORK (Global) fluoridealert.org
http://en.wikipedia.org/wiki/Water_fluoridation_controversy
“The presence of sodium fluoride in drinking water at the level of 2 ppm may cause mottled enamel in teeth, skeletal fluorosis, and may be associated with cancer and other diseases.”
Source: http://chemistry.about.com/library/blf.htm
If theres any doubt about the safety of any chemical it should not be used on humans!