The general assumption is that fluoride provides a benefit to healthier teeth. The question to ask is why, if there is such a risk to ingesting fluoride our government promotes it as healthy? Fluoride is the main ingredient in Prozac, rat killer and cockroach killer. Fluoride increases the absorption of aluminum in the brain by 600%. Aluminum in the brain is the main cause of Alzheimers and dementia. Hitler fluoridated the water in the Concentration Camps to make the prisoners docile and lethargic. Fluoride does not have to be ingested to have ill effects its actually absorbed into the skin when it comes in contact with water. Reverse Osmosis takes fluoride out of the water. Boiling water does not remove fluoride.