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Study Reveals What a Lifetime of Exposure to Fluoride in Drinking Water Does to Cognition
Researchers found no difference in dementia screening scores among 2,495 older adults, despite decades of high fluoride exposure.
- Trinity College Dublin researchers found no association between lifetime exposure to fluoridated drinking water and cognitive decline in older adults. The study was published Monday in the Journal of Dental Research.
- Growing public debate regarding fluoride's potential impact on brain health has fueled opposition to water fluoridation in recent years. Ireland introduced its nationwide fluoridation program in 1964 to prevent tooth decay.
- Researchers led by Dr. Vinay Sharma and Professor Lina Zgaga analyzed 2,495 adults with an average age of 65, mapping residential histories against national water fluoride records. Participants performed identically on standardized cognitive tests regardless of lifetime exposure levels.
- Co-Principal investigator Dr. Michael Crowe stated the findings matter because "it isn't costing anything in terms of cognitive health," strengthening the case that fluoridated water is safe at normal levels.
- Study co-author Professor Brian O'Connell emphasized that "we should continue to check for any adverse effects" on an ongoing basis. Researchers acknowledged only 5% of participants had early-life exposure, limiting conclusions about childhood outcomes.
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Fluoride has been a target of conspiracy theorists for decades. That fringe group, who’ve been pushing for the removal of fluoride from drinking water, has scored some victories of late, as they claim that fluoride is, to put it elegantly, making us all dumber or subservient or whatever flavor of the conspiracy they’re yelling on […]
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A recent scientific study conducted by researchers from Trinity College in the Irish capital, Dublin, showed that long-term exposure to fluoride through water
·Syrian Arab Republic (the)
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Coverage Details
Total News Sources17
Leaning Left4Leaning Right0Center3Last UpdatedBias Distribution57% Left
Bias Distribution
- 57% of the sources lean Left
57% Left
L 57%
C 43%
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