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What Does Your Blood Type Mean for Your Health?

What Recent Studies Suggest

There are eight main blood types: A+, A-, B+, B-, O+, O-, AB+ or AB-. Knowing your blood type can be crucial in a medical emergency, but it can also offer some interesting insight into your health. See how your blood type might play a role in your well-being, based on results of some recent studies.

Heart Disease

Of the eight main blood types, people with type O have the lowest risk for heart disease. People with types AB and B are at the greatest risk, which could be a result of higher rates of inflammation for these blood types. A heart-healthy lifestyle is particularly important for people with types AB and B blood.


Studies have found that people with blood type A or AB are at higher risk for stomach cancer. Additionally, if you have A, B or AB blood types, you may have an increased risk for pancreatic cancer. If you fall in this grouping, stock up on cancer-fighting foods, which can help reduce the risk for developing cancer.


If you have type A blood, you may have more trouble handling stress. Those with type A tend to have heightened levels of cortisol, the stress hormone, in the body. Here are small steps to reduce anxiety and stress and how to stay healthy.

Knowing your blood type is one more way to better understand and manage your health. While your blood type is a genetic gift that cannot be altered, making healthy choices can help you reduce the risks to your health.

– Glenn E. Ramsey, MD, Northwestern Medical Group, Pathology