NEW YORK – People who eat plenty of fish oil and other omega-3 fatty acids could cut their risk of colon cancer, new research hints.
Studies in animals and a couple of small trials in people suggest that fish oil supplementation can fight inflammation and may have cancer-fighting properties, Dr. Sangmi Kim of the National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, and colleagues note. But so far studies looking at the diets of larger groups of people have had equivocal results.
To investigate further, Kim and colleagues examined the relationship between polyunsaturated fatty acid intake and bowel cancer risk in 1,503 whites (including 716 colon cancer patients and 787 healthy controls) and 369 African Americans (213 with colon cancer, 156 controls).
Among whites, the researchers found, those in the top fourth based on their omega-3 consumption had half the risk of colon cancer compared to those in the bottom fourth.
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