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The first human blood transfusion was performed in 1667 (233 years before blood typing was discovered) when sheep's blood was successfully transfused in to a 15 year old boy. He lived.
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Researchers figured out how to convert blood type A into the universal Type O, which all patients can receive in a transfusion, regardless of their own blood type. This could broaden the supply…
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Replacing blood with younger blood might help reverse aging
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The president’s limo comes with a fridge full of his blood type