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Trinity study finds no link between fluoridated water and cognitive decline
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Trinity study finds no link between fluoridated water and cognitive decline

Good news from Trinity College Dublin: a study found no link between drinking fluoridated water and cognitive decline in older Irish adults. Researchers used participants’ residential histories and water records to estimate their fluoride exposure throughout life, then compared results from two standard cognitive tests. Scores were similar across exposure groups, and the study also found no evidence of an effect from exposure in early childhood. The findings add reassuring long-term Irish evidence while supporting continued monitoring of fluoridation’s effects.
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