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Mitochondrial DNA Could Predict Risk for Sudden Cardiac Death, Heart Disease

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A new biomarker concerning mitochondrial DNA is predictive of heart attacks and sudden heart death ten years before they occur. Researchers from Johns Hopkins conducted two studies and published their results in JAMA cardiology on October 11, and in European Heart Journal on June 30, claiming that the mitochondrial copy number increased the accuracy of predicted cardiac death. They concluded that the lower the mitochondrial copy number, the greater the risk of sudden heart death. Read more at the EureakAlert article.

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