Since the 1940's fluoride is used in toothpaste and is added to drinking water in many countries around the world.
Fluoride is actually toxic waste from the aluminium, phosphoric acid and phosphate fertilizer industries. Millions of tons of fluoride are produced each year.
http://en.wikipedia.org/wiki/Fluorida...
http://fluoridealert.org/sodium.monof...

Many scientists, dentists, bio-chemists, toxicologists and physicians have spoken out against the use of fluoride.
http://www.dentalwellness4u.com/laype...

Information about the dangers of fluoride:
http://www.nofluoride.com
http://www.fluoridation.com
http://www.fluoridealert.org
http://www.fluoridedebate.com
http://www.orgsites.com/ny/nyscof
http://www.naturalnews.com/fluoride.html
http://articles.mercola.com/sites/art...
http://www.friendsofwater.com/No_Fluo...
http://www.ukcaf.org