Science

Low-dose aspirin linked to 70% lower dementia risk, but there's a catch

Researchers found that older adults with a specific genetic profile had a 70% lower relative risk of dementia when taking low-dose aspirin, even though previous studies found no overall protective effect.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated October 25, 2026, 10:21 AM UTC
Key points
  • Researchers found that older adults with a specific genetic profile had a 70% lower relative risk of dementia when taking low-dose aspirin, even though previous studies found no…
  • A common, inexpensive medication could hold an unexpected clue to preventing dementia.
  • The discovery suggests that genetics could help explain why some people benefit while others do not.

Researchers found that older adults with a specific genetic profile had a 70% lower relative risk of dementia when taking low-dose aspirin, even though previous studies found no overall protective effect.

A common, inexpensive medication could hold an unexpected clue to preventing dementia.

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