Dentists are struggling to counter RFK Jr. on fluoride

By Danny Nguyen | 07/10/2025 01:08 PM EDT

Red states are banning the tooth-protecting mineral, while blue state skeptics aren’t budging.

Robert F. Kennedy Jr. speaks.

Secretary of Health and Human Services Robert F. Kennedy Jr. has repeatedly said fluoridated water is dangerous for human health. Mariam Zuhaib/AP

Dentists are proving no match for Robert F. Kennedy Jr. in the battle over fluoride.

Utah and Florida have this year banned the cavity-fighting mineral from drinking water and several other Republican-led states are considering it. Oklahoma has dropped its recommendation that localities fluoridate. Net effect: The nearly three-quarters of Americans who drank fluoridated water before Kennedy became secretary of Health and Human Services is set to plummet.

For Kennedy, who’s long believed drinking fluoride is unhealthy, that’s a win.

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“Fluoride’s predominant benefit to teeth comes from topical contact with the outside of the teeth, not from ingestion,” an HHS spokesperson told POLITICO. “There is no need, therefore, to ingest fluoride.”

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