Through a collaborative genome-wide study on individuals, researchers have discovered 14 new genetic variations that are associated with heart rate. Since heart rate is a marker of cardiovascular health, these findings could provide a better understanding of genetic regulation of heart beat and is a first step towards identifying targets for new drugs to treat cardiovascular disease. The study, titled, "Identification of Heart Rate-Associated Loci and Their Effects on Cardiac Conduction and Rhythm Disorders," was published online this week in the April issue of Nature Genetics...
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