For decades, fluoride has been added to most of our tap water to help protect against cavities. Now studies are addressing how much is too much fluoride.

*Original full-text article online at: https://www.firstcoastnews.com/video/entertainment/television/first-coast-living/keeping-your-big-smile-with-less-flouride/77-ea12b905-3b98-4b9d-9308-00f3db6d8288

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