• Question: Do different blood types make you more vulnerable to different diseases? For example if your blood type was A-, would you have a higher chance of catching malaria from mosquitos?

    Asked by cunningstunt to Kat, Andrew, Katie, Sadaf on 18 Jun 2013. This question was also asked by alexanderabley.
    • Photo: Andrew Swale

      Andrew Swale answered on 18 Jun 2013:


      There are lots of studies that have focused on this. The answer seems to be that yes – having a certain blood group can affect certain diseases

      For example, people with type O blood are at less risk of dying from malaria than people with other blood groups. But they are more vulnerable to cholera and stomach ulcers caused by viruses and bacteria.

      In terms of malaria some research suggests that blood group O are more resistant to malaria than others.

      Other conditions where it is thought that blood group may influence your risk are gastric cancer, peptic ulcers, fertility, pancreatic cancer, ovarian cancer and norovirus.

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