On fluoride and tooth decay
Summary
Host Thomas Getz explores fluoride’s history, from its accidental discovery to its role in public health. The episode examines the science behind tooth decay, the success of water fluoridation in the U.S., and rising political opposition. Guests include producer Rachel Swaby’s children and dentists discussing fluoride’s impact on dental care access and equity.
Topics discussed
Intro: Kids discuss toothpaste flavors and brushing
Host intro: Fluoride as a drug and public health success
Sponsor message: GoodRx
Part 1: The history of tooth decay and agriculture
Pre-modern dentistry: Pain, infection, and extractions
Rise of dental hygiene: Toothbrushes and toothpaste
Part 2: Discovery of fluoride's benefits in water
Grand Rapids study and early opposition to fluoridation
Fluoride toothpaste marketing and commercial success
Part 3: Side effects and invisibility of fluoride
Modern debates: Idaho case and anti-fluoride sentiment
Global context: Why the US still fluoridates water
Outro: Season 2 preview and credits
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