Everything Matters | Flourine | Howard Pollick | Exploratorium

A noted foe of tooth decay, fluoride is added to most toothpaste, as well as our public water supply—a fact attacked by numerous conspiracy theories. Find out more about this controversial compound from Howard Pollick, Director of the Dental Public Health Residency Program at the University of California, San Francisco, and discover why elemental fluorine is considered to be completely dangerous, if not deadly.