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Why Omega-3 Fatty Acids May Help the Heart

According to medical researchers at the University of California, San Francisco, the more omega-3 that patients with coronary heart disease consumed, the slower their telomeres shrank. Telomeres are structures at the end of a chromosome that get shorter the more times a cell divides, making them a marker of biological age. 

The scientists finding, published in the Journal of the American Medical Association, report that there is a significant impact of omega-3s on cell support and cell functioning.  They note that if you supplement with omega-3s or eat omega-3s, your cells stay healthier, your cells age less quickly. 

According to Jesse Slome, executive director of the American Association for Critical Illness insurance, “Cardiologists have known for two decades that increased dietary intake of omega-3 fatty acids is beneficial for patients with coronary artery disease, particularly those who have had a prior heart attack. It reduces the risk of subsequent heart attacks and death. 

Researchers noted that the reasons for that benefit have not been well defined.  For the new study, the researchers followed about 600 patients in the San Francisco Bay Area with coronary artery disease. Blood levels of omega-3 fatty acids and telomere length were measured at the beginning of the study and again about five years later. 

The medical experts reported that as blood levels of omega-3 went up, the rate at which telomeres shortened decreased.  To the extent that that is a marker of biological aging, the rate of biological aging went down. 

The findings don’t change current recommendations regarding omega-3 fatty acids or what people should be doing.   The American Heart Association recommends that those with coronary heart disease get about a gram a day of omega-3 fatty acids.

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