According to a report in the August issue of Annals of Oncology, it has been shown that prophylactic aspirin therapy for at least 5 years has some effectiveness in preventing colorectal and other cancers. Investigators for this report analyzed several different dosing regimens for men and women ages 50, 55, 60, and 65.
Researchers found that aspirin therapy protection against cancer begins 3 years after starting and for 5 years after stopping, and showed a reduction in colorectal cancer, reduced mortality rate in esophageal cancer, and protection against stomach and other gastric cancers, as well as breast cancers, and certain types of skin cancers. This study was sponsored by the International Society of Cancer Prevention U.K., the British Heart Foundation, and the American Cancer Society. The key clinical point is that the study showed that prophylactic aspirin therapy has a favorable benefit-harm profile as applied to these types of cancers. Although much research has been done, there is still not enough clear evidence to show that the benefits of aspirin therapy for cancer prevention outweigh the harmful side effects. If you are wondering whether or not you should be taking aspirin you should consult your healthcare provider.
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