Mike Barrett
Activist Post

Fluoride is indeed a toxic substance, and has been tied with numerous health complications in well-established research. Fluoride can be found in many water supplies, toothpaste, and even food at alarming levels. While it may sound shocking to many, some research is even drawing a close connection between fluoride and an increased cancer risk.

http://www.activistpost.com/2012/04/top-scientist-fluoride-already-shown-to.html