Health

 

Study: Fish oil increases aggressive prostate cancer

04/26/11

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Study after study shows omega-3 fatty acids, like those found in fish oil, are great for the heart. But new research suggests the same may not be true for men’s prostates.

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Researchers with the Fred Hutchinson Cancer Research Center in Seattle, WA, said that their study found that men with the highest percentage of docosahexaenoic acid – an inflammation-lowering omega-3 fatty acid commonly found in fish – have two-and-a-half times the risk of developing aggressive, high-grade prostate cancer compared to men with the lowest DHA levels.

The researchers also found that men with the highest concentrations of trans-fatty acids, which are linked with heart disease, had a 50-percent reduction of high-grade prostate cancer.

Neither fats were associated with the risk of low-grade prostate cancer.

Lead researcher Theodore M. Brasky said in a statement that he and his colleagues “were stunned” by their findings,” and that they “spent a lot of time making sure the analyses were correct.”

“Our findings turn on what we know – or rather what we think we know – about diet, inflammation and the development of prostate cancer on its head and shine a light on the complexity of studying the association between nutrition and the risk of various chronic diseases.”

A full report on the study appears in the April 25 edition of the American Journal of Epidemiology.

RELATED: Lawsuit: Fish oil tablets contain toxic PCBs

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