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Anemia is a blood disorder characterized by lower than normal levels of hemoglobin.



Anemia occurs when there is a decrease in the number of red blood cells in the blood. Certain nutrients (iron, vitamin B12, and folic acid) are required to make red blood cells. The role of these red blood cells is to carry oxygen from the lungs to the rest of the body. When the number of red blood cells is too low, the blood cannot carry an adequate supply of oxygen, resulting in certain symptoms, including:
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