A new analysis in JAMA Pediatrics reviews international studies suggesting potential links between high fluoride levels and lower IQ in children, sparking renewed controversy as Robert F. Kennedy Jr. prepares to influence federal health policy.
In short:
- The analysis revisits findings from a National Toxicology Program report that linked fluoride exposures above 1.5 mg/L to potential neurodevelopmental risks.
- Critics argue the study's evidence is inconclusive at the U.S. standard level of 0.7 mg/L, with some experts calling for more rigorous research.
- Supporters of fluoride caution that removing it could disproportionately harm low-income communities reliant on it for dental health.
Key quote:
"There is concern that pregnant women and children are getting fluoride from many sources … and that their total fluoride exposure is too high and may affect fetal, infant, and child neurodevelopment."
— Christine Flowers, director of the Office of Communication at the National Institutes of Health
Why this matters:
Fluoridated water has been credited with significant dental health improvements, but emerging research highlights potential neurodevelopmental concerns. The debate over fluoride levels involves consideration of both public health gains and potential safety risks, particularly for vulnerable populations.
Related: Op-ed: It is time to protect kids’ developing brains from fluoride
