Leukemia is a cancer of the blood-forming tissues that often develops in the bone marrow. It affects cells that develop into blood cells, such as red blood cells, white blood cells, and platelets. The ...

Click here to read the Cover Story, “More treatments expand personalized ankle cartilage repair.”A middle-aged, active patient — the kind who alternates between running along the canals and cycling ...

Megaloblastic anemia is a type of vitamin deficiency anemia that causes larger-than-normal red blood cells and enlarged and abnormal red blood cell precursors (megaloblasts) to appear in the bone ...

Myeloblasts are precursors to specific types of white blood cells that help your body fight infections. Too many myeloblasts may be a sign of a blood cancer like leukemia. Myeloblasts, or blast cells, ...