What Students Need To Know About Sickle cell Anemia and Thalassemia.
Sickle cell disease and thalassemia are genetic disorders caused by errors in the genes for hemoglobin, a substance composed of a protein (“globin“) plus an iron molecule (“heme“) that is responsible for carrying oxygen within the red blood cell. These disorders can cause fatigue, jaundice, and episodes of pain ranging from mild to very severe. They are inherited, and usually both parents must pass on an abnormal gene in order for a child to have the disease. When this happens, the resulting diseases are serious and, at times, fatal.
Thalassemia, or Mediterranean anemia, was first described in 1925 by a Detroit physician who studied Italian children with severe anemia (low levels of red blood cells), poor growth, huge abdominal organs, and early childhood death. In 1946, the cause of thalassemia was found to be an abnormal hemoglobin structure. The body reacts by destroying red blood cells, causing anemia. To compensate for the loss, the body tries to make red blood cells more rapidly,
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