Fluoride and the brain: Largest US study ever unearths surprise new link

Photo credit: Freepik. Article by Bronwyn Thompson. New Atlas – November 30, 2025. Source:University of Minnesota. Research article #1: Science Advances. Research article #2: Science Advances.

In the first US study looking at whether the recommended fluoride levels in drinking water affects brain function, researchers have found that the hot-button mineral has no negative impacts on cognition – and may actually be giving it a boost. University of Minnesota scientists investigated fluoride exposure and cognitive outcomes in individuals from childhood to middle life, spanning just over 40 years – a first-of-a-kind study for scope and longevity. […]

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