US Pharm. 2013;38(8):6.
Seattle, WA—According to a recent study, men with
the highest levels of omega-3 fatty acids had a 44% increased risk for
developing low-grade prostate cancer and a 71% increased risk for
high-grade cancer. In a nine-year prospective study, researchers at the
Fred Hutchinson Cancer Research Center in Seattle, Washington, analyzed
blood sample data from 834 men diagnosed with prostate cancer and 1,393
men who were cancer free. They found an association with three different
omega-3s—eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and
docosapentaenoic acid (DPA)—all of which are found in fish and fish oil
supplements. These findings do not imply causation, but according to the
study’s lead author, omega-3s can affect gene expression and, in high
doses, suppress immunity, which could potentially promote cancer.
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