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Category: Medical
Word Count: 685
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Sickle Cell Anemia

     Defective hemoglobin is responsible for sickle cell anemia. Hemoglobin is a red, iron-rich protein that gives blood its red color. It's a component of every red blood cell in your body. Red blood cells with normal hemoglobin are smooth and round and glide through blood vessels. But, after delivering oxygen, red blood cells with sickle cell hemoglobin may become hard, sticky and shaped like a sickle used to cut wheat. These crescent-shaped cells “sickle cells” can get stuck in small blood vesse

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