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Biology, 08.10.2020 14:01 vanessa791

Sickle cell anemia is a hereditary medical condition that affects red blood cells and is thought to protect against malaria, a debilitating parasitic infection of the liver and the blood. This protection would explain why the sickle-cell trait is found in people who originally came from Africa, where malaria is widespread. A landmark study in Africa tested children for the sickle-cell trait and for malaria infection. In all, 30% of the children had the sickle-cell trait, and 8.5% of the children had both the sickle-cell trait and malaria. Overall, 34.5% of the children had malaria.

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