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Blood type may affect heart-disease risk
A person’s blood type may affect their risk for heart disease, according to a new study that finds people with blood type A, B or AB were more likely to develop the disease than those with type O. However, the researchers said following a healthy lifestyle can still make a difference to protect people with the higher risk blood types. The senior author of the study is Lu Qi, an assistant professor in the Department of Nutrition at the Harvard School of Public Health in Boston. He and his colleagues report their findings in a paper published online this week in Arteriosclerosis, Thrombosis and Vascular Biology, one of the American Heart Association journals. Qi and colleagues analysed data from two large studies that followed adults for at least 20 years and found those with blood type AB had a 23 per cent increased risk for heart disease, those with type B had an 11 per cent increased risk, and those with type A had a five per cent increased risk, compared to people with type O. Blood type AB is the rarest blood type, it occurs in around seven per cent of Americans, while type O, the most common, occurs in around 43 per cent.
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