Donald Chi, DDS, PhD, Professor of Oral Health Sciences at the University of Washington, joins Pete and Greg to break down the growing debate around fluoride. He explains the science behind fluoride use, responds to recent political efforts to limit or ban it, and shares what the research says about its impact on communities—especially those facing barriers to dental care. He also dives into what actually works when it comes to improving oral health beyond fluoride.

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Relevant links from this hour:

• His website and resume/CV
• A list of his publications
• An award he recently won.
• More Kids Are in ERs for Tooth Pain. Trump Cuts and RFK Jr.’s Anti-Fluoride Fight Aren’t Helping. – KFF Health News
• Americans Are Fixing Their Teeth in Mexico | The New Yorker