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thalassemia
Thalassemias are inherited blood disorders characterized by abnormal hemoglobin production. [7] Symptoms depend on the type and can vary from none to severe. [1] Often there is mild to severe anemia (low red blood cells ). [1] Anemia can result in feeling tired and pale skin . [1] There may also be bone problems, an enlarged spleen , yellowish skin , dark urine, and among children slow growth. [1] Thalassemias are genetic disorders inherited from a person's parents. [2] There are two main types, alpha thalassemia and beta thalassemia . [7] The severity of alpha and beta thalassemia depends on how many of the four genes for alpha globin or two genes for beta globin are missing. [2] Diagnosis is typically by blood tests including a complete blood count , special hemoglobin tests, and genetic tests. [3] ...
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