This question comes up every so often in my medical library, and I appreciate Katelyn Jetelina, aka Your Local Epidemiologist (YLE) writing about "the real deal" best evidence with fluoridated water and public health.
Fluoride has sprung into the national spotlight in the past few weeks, and many people have great questions. Here’s the nuance to equip yourself for evidence-based discussions.
Fluoride is important for our teeth
Fluoride is a naturally occurring mineral found in water, soil, air, and some foods. Our bodies need minerals for many things, including strengthening our bones and teeth. Just like our bones need enough calcium, our teeth benefit from getting enough fluoride. Specifically, fluoride strengthens enamel—the thin, hard layer that covers our teeth—which helps prevent bacteria from causing cavities. Preventing cavities is good for many things, including cardiovascular health.
The value of fluoride isn’t controversial—it’s good for our teeth. This is why toothpaste contains fluoride, and dentists apply it directly to teeth, too. The question being debated is whether we should add it to our public water supplies.
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