A blood disorder that mostly afflicts African Americans, in which deformed blood cells obstruct small blood vessels, decreasing their capacity to carry oxygen and heightening the risk of occasionally fatal infections.

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Sickle-cell disease is characterized by the production of abnormal hemoglobin, leading to deformed (sickle-shaped) red blood cells. This condition is more prevalent among people of African descent and can lead to complications such as blockage of blood flow and decreased oxygen delivery to tissues.

A Blood Disorder That Mostly Afflicts African Americans, in Which