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A new study claims people with blood type A, B, or AB may have a slightly higher risk of heart disease, compared to those with the most common blood group, type O. But some doctors, like cardiologist Eric Topol, question the study’s conclusion, and say patients shouldn’t fret about their blood type.
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Eric Topol
Dr. Eric Topol is a genomics professor at the Scripps Research Institute in La Jolla, California, and the author of several books.