Ask a person of a certain age what their blood type is, and chance are they’ll know it offhand. From military dog tags to Cold War-era tattoos on children, the idea was that knowing your blood type could save your life in an emergency situation where you might need blood immediately. But what used to be a crucial…Read more...
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Scientists are finding evidence that blood type may be a risk factor for COVID-19. In one...Scientists are finding evidence that blood type may be a risk factor for COVID-19. In one study, people with Type A blood were more likely to be hospitalized.