Leukemia Causes, Diagnosis, Symptoms, Types and Treatment

What is leukemia? Leukemia is cancer that starts in the tissue that forms blood. To understand cancer, it helps to know how normal blood cells form. Normal Blood Cells Most blood cells develop from cells in the bone marrow called stem cells. Bone marrow is the soft material in the center of most bones. Stem cells mature into different kinds of blood cells. Each kind has a special