The gene for beta thalassemia is not evenly distributed among peoples. It is, for example, relatively more frequent in people of Italian and Greek origin, both of which are peoples from the Mediterranean. Because of this, thalassemia major has been called Mediterranean anemia.
The name thalassemia was coined at the University of Rochester in upstate New York by the Nobel Prize-winning pathologist George Whipple and the professor of pediatrics William Bradford from the Greek thalassa for sea and -emia, meaning the blood. Thalassemia means "sea in the blood." But for the Greeks, the sea was the Mediterranean, so thalassemia also conveys the idea of the Mediterrranean in the blood.
The reason that the gene for beta thalassemia is relatively common, for example, among people of Italian and Greek origin is that parts of Italy and Greece were once full of malaria. The presence of thalassemia minor (like sickle cell trait in Africa) afforded protection against malaria, and therefore, this gene thrived.
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Archived: March 20, 2014
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