There are sixty-one years old this month, W. Warrick Cardozo published a paper in Archives of Internal Medicine entitled "immunological studies in Sickle Cell Anemia", which reported the results of an early disease studies. Cardozo, a young American physician, discovered that sickle cell anemia - a condition in which the majority of the red blood cells are crescent - runs in families and that almost exclusively affects people of African descent. Also, Cardozo found that all the victims were killed by disease and all people whose blood contains sickle cell anemia suffered. These important observations came 13 years before researchers had identified the abnormal hemoglobin that causes sickle cell anemia
[Source:EmilyMcMurrayEd Notable scientists of the twentieth century (Gale Research Inc., ITP, 1995).]
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