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Does blood type play a role in cancer risk?
Studies have examined the relationship between blood type and certain chronic diseases. A 2015 study found notable differences depending on blood type.
Groups A, B and AB: an increased risk of certain types of cancer
People with blood types A, B, or AB appear to have a slightly higher risk of developing certain types of cancer, including:
- Stomach cancer : Research suggests that these blood types are more susceptible to certain bacteria such as Helicobacter pylori, a known risk factor for this type of cancer.
- Pancreatic cancer : Here too, groups A, B and AB would be more affected.
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