Tuesday, August 14, 2012

Blood type may influence heart disease risk

http://www.eurekalert.org/pub_releases/2012-08/aha-btm080912.php

Public release date: 14-Aug-2012
Contact: Karen Astle
American Heart Association

People with blood type A, B, or AB had a higher risk for coronary heart disease when compared to those with blood type O, according to new research published in Arteriosclerosis, Thrombosis and Vascular Biology, an American Heart Association journal.

People in this study with the rarest blood type — AB, found in about 7 percent of the U.S. population — had the highest increased heart disease risk at 23 percent. Those with type B had an 11 percent increased risk, and those with type A had a 5 percent increased risk. About 43 percent of Americans have type O blood.

"While people cannot change their blood type, our findings may help physicians better understand who is at risk for developing heart disease," said Lu Qi, M.D., Ph.D., the study's senior author and an assistant professor in the Department of Nutrition at the Harvard School of Public Health in Boston.

Knowing your blood type can be an important part of staying healthy and avoiding heart disease, Qi said. "It's good to know your blood type the same way you should know your cholesterol or blood pressure numbers," he said. "If you know you're at higher risk, you can reduce the risk by adopting a healthier lifestyle, such as eating right, exercising and not smoking."

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