In last week’s episode, we traced the history of fluoridation (and the anti-fluoridation movement) to its roots in the early 20th century, but we left you wondering whether there’s anything to back up the health claims that anti-fluoridationists make. Today, we get deep into the weeds of the fluoride literature, explaining how this mineral works, the difference between topical and systemic fluoride, and whether fluoridation has been linked to any health issues. The details matter, and don’t you worry - we’ve got plenty of nitty gritty for you to feast on.

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