The Wellness Files with Kari Beal
Should We Put Fluoride in Our Drinking Water? (Part 2)
Published on May 6, 2026, 4:12:14 PM
Total time: 00:08:15
The Wellness Files with Kari Beal
Published on May 6, 2026, 4:12:14 PM
Total time: 00:08:15
A groundbreaking randomized trial in Kinston, North Carolina is testing fluoridated vs. non-fluoridated water in young children to produce the most rigorous evidence yet on fluoride’s real-world benefits today.
00:00 Intro
01:01 Quick history setup: how fluoridation began and why it became widespread.
01:20 Early clues: mottled teeth but fewer cavities; investigators suspect water.
01:40 Fluoride identified in water; dental fluorosis linked to high levels.
02:13 Grand Rapids becomes first to fluoridate; endorsements follow.
02:38 UNC dentistry expertise and an under-the-radar, ongoing study.
03:33 Kinston removes fluoride—setting up the WaterBeST Treatment Study.
03:52 Observational vs. randomized research and why randomization matters.
04:31 Study design: 200 families, blinded fluoridated vs. non-fluoridated bottled water.
04:53 Measuring total fluoride exposure via toenail clippings.
05:21 Potential expanded outcomes (e.g., IQ) if funded; results expected 2029.
06:34 How fluoride’s cavity-prevention benefit has changed; biggest gains for low-income families.
07:20 Promo: live event on lifestyle medicine (May 21, 2026) + wrap-up.
The Wellness Files is a health-focused podcast where we explore practical tools, research and real patient stories. We hope to inform, inspire, and connect to audiences so you can be the best version of yourself, while also asking tough questions about safety and effectiveness.