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If you are a member of blood group O, especially O negative or O positive, you belong to one of the most significant blood types in the world—both medically and genetically.

Blood group O is often called the “universal donor” (especially O negative) because it can be given to people of all other blood types in emergencies, when there’s no time to test the patient’s blood type. That makes your blood highly valuable in hospitals and blood banks….Read More…>>>

People with blood group O are believed to have certain unique traits. Medically, studies suggest they might have a lower risk of heart disease but could be more vulnerable to ulcers due to higher levels of stomach acid. There’s also some evidence linking blood type O to increased risk of severe symptoms when infected with certain viruses, like norovirus or even COVID-19, though findings can vary.

Personality myths also surround this blood group. In some cultures, like in Japan, O types are believed to be confident, outgoing, and natural leaders. While these beliefs aren’t scientifically backed, they show how deeply blood types are tied to identity.

If you’re O, consider donating blood—it can save lives, especially since your type is always in high demand….CONTINUE FULL READING