Fluoride levels in U.S. drinking water linked to better teen cognition

https://www.news-medical.net/news/20251125/Fluoride-levels-in-US-drinking-water-linked-to-better-teen-cognition.aspx A landmark U.S. study tracking students from high school to age 60 reveals that recommended fluoride levels support stronger academic performance in adolescence but offer no measurable cognitive edge in later adulthood.