In an interview last week, Levine Cava declined to say whether she would veto the Gonzalez legislation if it got to her desk. But she did say she opposed the idea of ending Miami-Dade’s fluoridation program, which began in the 1950s.

Utah has become the first state to ban fluoride in public drinking water, despite widespread opposition from dentists and national health organizations. Republican Gov.

Toxicologist Dr. Stephanie Widmer joins "GMA" after Utah became the first state to ban fluoride from public drinking water.