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Scientists Discover Clue To Omega-3’s Impact On Survival Of Coronary Patients

January 20, 2010: 09:41 AM EST
Fish-derived omega-3 fatty acids have been linked to higher survival rates among cardiovascular patients, but no one knew why. Now, U.S. researchers have found that omega-3s may protect against cellular aging in patients with coronary heart disease (CHD). Focusing on the rate of shortening of blood cell telomere length, a chromosome marker of biological aging, the scientists studied 608 CHD outpatients over five years. Levels of omega-3 fatty acids (DHA and EPA) in the blood were measured. “Each 1-standard deviation increase in DHA+EPA levels was associated with a 32 percent reduction in the odds of telomere shortening,” the authors wrote.
Ramin Farzaneh-Far, MD, Jue Lin, PhD, et al., "Association of Marine Omega-3 Fatty Acid Levels With Telomeric Aging in Patients With Coronary Heart Disease", Journal of the American Medical Association, January 20, 2010, © American Medical Association
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