Fluoride & Remin Study ✓ Peer reviewed

Assessing the Intelligence Quotient of 5-10-year-old Children in Salem District, India with Varying Fluoride Levels: A Cross-sectional Study.

International journal of clinical pediatric dentistry · Rajan RE, Arali V, Gunasekaran S, Duraisamy V, Gainneos PD, Latkar Y, John JB · 2026-07-01

Researchers measured intelligence quotient in children aged 5-10 years across areas with different groundwater fluoride concentrations in India, finding that higher fluoride exposure was associated with lower IQ scores in children.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.

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