Health Wisconsin study finds no link between water fluoridation and lower IQ by Dr Natalie Singh - Health Editor April 15, 2026 by Dr Natalie Singh - Health Editor April 15, 2026 Researchers published a 60-year study in the Proceedings of the National Academy of Sciences on April 13, 2026, finding no link between standard municipal water fluoridation and decreased intelligence. The … 0 FacebookTwitterPinterestEmail