Uploaded November 2017 | Updated September 2026, 1 hour ago
Dr. Bill Hirzy explains how his research team quantified fluoridation's risk to the brain in a recently published study.
Dr. Bill Hirzy explains how his research team quantified fluoridation's risk to the brain in a recently published study.





![The Politics of Fluoride
[T]he political profluoridation stance has evolved into a dogmatic, authoritarian, essentially antiscientific posture, one that discourages open debate of scientific issues. - Dr. Edward Groth, Senior Scientist, Consumers Union, 1991. The Politics of Fluoride](https://i.ytimg.com/vi/nIbJausU84w/mqdefault.jpg)




