Wednesday, March 4, 2026

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.

from Top Health News -- ScienceDaily https://ift.tt/hUG7qB2

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Scientists discover the switch that revives exhausted cancer-fighting T cells

Scientists have uncovered new genetic rules that determine whether the immune system’s “killer” T cells remain powerful long-term defenders ...