Millions take aspirin to prevent colon cancer. A major review says don’t count on it

Daily aspirin does not reliably prevent bowel cancer in people at average risk, according to a major new review. Any potential protective effect may take more than a decade to appear — if it appears at all — and the evidence for that benefit is weak. In contrast, the risk of serious bleeding begins right away, even with low-dose aspirin. Experts warn that prevention decisions should be individualized, not automatic.

Health Mar 5, 2026 0 12 Add to Reading List

Millions take aspirin to prevent colon cancer. A major review says don’t count on it

WHY THE HEN DOES NOT HAVE TEETH STORY BOOK

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WHY THE HEN DOES NOT HAVE TEETH STORY BOOK

Click the image to get your copy!

WHY THE HEN DOES NOT HAVE TEETH STORY BOOK

Click the image to get your copy!

Daily aspirin does not reliably prevent bowel cancer in people at average risk, according to a major new review. Any potential protective effect may take more than a decade to appear — if it appears at all — and the evidence for that benefit is weak. In contrast, the risk of serious bleeding begins right away, even with low-dose aspirin. Experts warn that prevention decisions should be individualized, not automatic.

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