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Diet and Cancer Prevention
Fish Oil Does Not Prevent Cancer
A systematic review published in JAMA: The
Journal of the American Medical Association shows that fish oil does not prevent cancer.
The review analyzed the results of 38 prior studies of the effect
of fish oil on the risk of cancers of the breast, colon, lung,
prostate, skin, and other sites. Individual study results varied.
Some showed increased risk from fish oil, others showed reduced
risk, and most showed no effect. The combined result was that fish
oil has no evident protective effect against cancer.
MacLean CH, Newberry SJ, Mojica WA, et al. Effects of omega-3
fatty acids on cancer risk: a systematic review. JAMA 2006;295:403-415.
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