Does Fluoride Lower IQ Scores?

November 10th, 2022 Children's Oral Health and Fluoride, Facts about Fluoride, Fluoride and Public Health

IQ Scores; fluoride

America has been preventing tooth decay with fluoridated water for over 75 years. Community water fluoridation is effective, safe and benefits everyone regardless of age or income. About 75% of U.S. communities enjoy fluoridated water. Until recently, concerns about fluoride and IQ were rarely raised. Opponents of fluoridation began focusing on IQ after the 2012 publication of […]


Claim About Fluoride As a Neurotoxin Fails to Survive Peer Review

February 26th, 2021 Facts about Fluoride, Fluoride and Public Health, Fluoride in the News

claims; fluoride; fails

Following its peer review of a draft research report, the National Academies of Sciences, Engineering and Medicine (NASEM) rejected the report’s claim that fluoride is a neurotoxin. The review issued on February 9, 2021 marked the second time in two years that NASEM found insufficient evidence to justify this claim. The monograph that NASEM reviewed […]


Review: Science Doesn’t Back NTP Conclusion

April 1st, 2020 Fluoride in the News

Last fall, the National Toxicology Program (NTP) released a draft monograph with the conclusion that “fluoride is presumed to be a cognitive neurodevelopmental hazard to humans.” Before finalizing its monograph, NTP asked a committee of the National Academies of Sciences, Engineering and Medicine (NASEM) to assess whether its conclusion is supported by the scientific evidence. […]


Maternal Fluoride & Children’s IQ

September 12th, 2019 Fluoride and Public Health, Fluoride in the News

Fluoride in water is an important way to prevent tooth decay, which causes millions of lost hours of work and school each year. We know from seven decades of scientific research that an optimal level of fluoride in water is safe and effective in preventing tooth decay by at least 25% in both children and adults. Children […]


New Study: No Neurotoxic Effect

April 24th, 2018 Fluoride in the News, What the Experts Say about Fluoride

In recent years, opponents of community water fluoridation (CWF) have pointed to some studies as supporting their concerns that fluoride is a neurotoxin that can lead to lower IQs or cognitive scores among children. Experts have examined those studies and cited significant weaknesses or limitations. Nonetheless, researchers in multiple countries have continued to explore this […]