Coffee, Tea Linked to Lower Dementia Risk - Takeaways - MDSpire

Coffee, Tea Linked to Lower Dementia Risk

Caffeinated beverages were associated with modest cognitive benefits in long-term study

  • By

  • Kerri Miller

  • February 9, 2026

  • 3 min

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  • 1

    Drinking 2 to 3 cups of caffeinated coffee or 1 to 2 cups of tea daily is linked to a lower risk of dementia.

  • 2

    The study followed 131,821 participants for up to 43 years, documenting 11,033 dementia cases.

  • 3

    Higher caffeinated coffee consumption reduced dementia likelihood to 0.82 times that of the lowest quartile.

  • 4

    Tea consumption also showed protective effects, with the highest tertile having 0.86 times the dementia risk.

  • 5

    The strongest associations were observed in participants aged 75 years or younger, with no benefits from decaffeinated coffee.

Original Source(s)

Coffee, Tea Linked to Lower Dementia Risk

  • by Kerri Miller

  • February 9, 2026

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