5 Key Takeaways

• 1

  A study found no negative association between community water fluoridation and adolescent IQ or cognitive functioning throughout life.

• 2

  The research utilized data from the Wisconsin Longitudinal Study, involving a representative sample of 10,317 high school graduates.

• 3

  Participants were classified into four fluoride exposure categories based on historical records and naturally occurring fluoride levels.

• 4

  After adjusting for confounders, no significant associations between fluoride exposure and cognitive outcomes were observed.

• 5

  The findings contrast with recent state-level decisions to end community water fluoridation in various U.S. locations.