Anemia

Anemia is characterized by a decrease in red blood cells or a lower than normal amount of hemoglobin in the blood. Hemoglobin is a major component of red blood cells that binds to oxygen and helps transport it throughout the body. Given the important role that red blood cells and hemoglobin in particular play in transporting oxygen throughout the body, a major symptom of anemia is fatigue, because as red blood cell and hemoglobin counts decrease, the body