Fluoride has been proven as a poison and it is used in many dentist's offices and even in your toothpaste and water supply. It does more harm than good and needs to be removed. It has been proven to have to effects and it actually calcifies your Pineal Gland in your brain which controls most of your imaginative abilities and such.
Read the links below to learn more:
http://health.howstuffworks.com/wellness/oral-care/products/10-fluoride-...