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Your Blood Type May Put You at Risk for Heart Disease

People whose blood type is A, B or AB have an increased risk of heart disease and shorter life spans than people who have type O blood, according to a new study. But that doesn't mean people with blood types other than O should be overly concerned, because heart disease risk and life span are influenced by multiple factors, including exercise and overall health, experts said.

Read the article on Live Science

Dr. Sears Comments:

Dr. Barry Sears

The differences in mortality may start in the gut.  Individuals with type-O blood may have lower levels of inflammation in the gut and therefore the blood.  This interesting hypothesis should be explored based on this study.



  1. Charlie Pitcher

    The referenced article starts out with a bold statement that people with a non-O blood type have a higher risk of death than type-O people. Then the article says there is no link between blood type and mortality. The bottom line is the article says nothing while you’re claiming the article shows a connection between the gut, inflammation and blood type. There is no interesting hypothesis to be tested.


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