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Will an Aspirin a Day Keep Cancer Away?

Science  21 Sep 2012:
Vol. 337, Issue 6101, pp. 1471-1473
DOI: 10.1126/science.337.6101.1471

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Summary

The first hint in the late 1970s that aspirin blocks intestinal tumors helped spur a wave of research in animals and clinical trials that established that aspirin and other nonsteroidal anti-inflammatory drugs protect against colon cancer. And now, decades later, aspirin is generating new excitement among cancer researchers. A series of studies from the United Kingdom in the last 2 years has offered the first evidence from placebo-controlled clinical trials that regularly taking low doses of aspirin wards off other types of cancer as well.