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Removing fluoride from public drinking water may lead to millions more cavities in US children, study estimates

  • A new modeling study published Friday estimated that removing fluoride from U.S. public water would cause 25.4 million extra decayed teeth and $9.8 billion in costs within five years.
  • This estimate draws on real-world data, including Calgary, Alberta, which stopped fluoridation in 2011 and saw more cavities in children than fluoridated cities before announcing plans to resume fluoridation this year.
  • Experts emphasize fluoride's long-standing role in oral health, noting it reduces cavities especially for those with limited dental care access and warning of increased health system burdens without it.
  • Robert F. Kennedy Jr. called fluoride "industrial waste" and linked it to health problems including cancer, but both the CDC and American Cancer Society have explicitly disagreed with these claims.
  • The study suggests fluoridation removal poses avoidable health and economic costs, with impacts potentially greater in the U.S. due to pronounced dental care inequities.
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Lead Safe Mama broke the news in on Friday, May 30, 2025.
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