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flag Drinking 2–3 cups of caffeinated coffee or 1–2 cups of tea daily is linked to an 18% lower dementia risk, according to a Harvard study of 130,000 health professionals.

flag A large Harvard study of over 130,000 health professionals found that drinking two to three cups of caffeinated coffee or one to two cups of tea daily is linked to an 18% lower risk of dementia, with benefits seen in slower cognitive decline and better mental performance. flag The protective effect was not observed with decaf, suggesting caffeine plays a key role. flag While the findings show correlation, not causation, they add to evidence that moderate caffeine intake may support long-term brain health.

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