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What Your Blood Type Says About Whether You’ll Survive Disease
Medical Daily

Your blood type means a lot more to your health than understanding which you’d need in a medical emergency. It can also affect whether you die of malaria or have a heart attack.

Red blood cells have certain sugars on their surfaces, known as antigens. You can have A or B antigens for Type A or Type B blood, both for Type AB, or neither for Type O. They are involved in how your immune system responds to foreign invaders because they tell it which cells are your own and which are different from the rest. But SciShow host Olivia Gordon explains that they do things other than signal antibodies.