A long-term study involving over 130,000 adults has found a correlation between regular consumption of caffeinated coffee and tea and a reduced risk of dementia. The research, which spanned several decades, indicated that decaffeinated versions of these beverages did not show the same protective effect. This suggests that caffeine may play a role in the observed cognitive benefits. AI
RANK_REASON The cluster discusses a study's findings on health benefits, which falls under commentary rather than a core AI or significant industry event.
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