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Fluoride in drinking water has no effect on IQ or brain function, long-term study shows (twin-cities.umn.edu)
submitted 7 months ago by to c/science@lemmy.world
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Cross-Posted, via Science Community.

Study.

The study, published in PNAS, examined Wisconsin state testing records, archival information about when Wisconsin cities began to fluoridate their water, and data from the Wisconsin Longitudinal Study, which has followed a random sample of 10,317 high school seniors from 1957 through 2026. Key findings include:

  • There is no evidence supporting a connection between community water fluoridation and children’s IQ.
  • There is also no evidence supporting a connection between community water fluoridation and cognitive functioning at various points later in life.
  • Findings confirm evidence published in previous research which also used a national sample, but considered school achievement test scores instead of actual IQ scores.
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[–] 4 points 7 months ago

Absence of evidence is not evidence of absence, but believing with an absence of evidence is utterly absurd.

I don't know what conspiracy theory dark hole you fell in, but you definitely need some scientific method and skepticism.

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