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Omega-3 Intake: Too Much Of A Good Thing Can Be Bad For Health

October 28, 2013: 12:00 AM EST
Researchers have been touting the health benefits of omega-3 fatty acids for years. But a new U.S. study finds that there can be too much of a good thing. In an earlier study, mice fed large amounts of dietary omega-3s showed an increased risk of colitis and immune alteration. A new review of recent scientific literature has found that excess omega-3 fatty acids in the diet alters immune function sometimes in ways that lead to a dysfunctional immune response to viral or bacterial infections. The researchers urge people to eat omega-3-rich fish a couple of times a week. But those at risk for coronary artery disease should consult their doctors before taking supplements.
Jenifer I. Fenton et al., "Long chain omega-3 fatty acid immunomodulation and the potential for adverse health outcomes", Prostaglandins, Leukotrienes and Essential Fatty Acids, October 28, 2013, © Elsevier Inc.
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