Leukemia
Leukemia: Causes, symptoms, and treatment Leukemia is cancer of the blood or bone marrow (which produces blood cells). A person who has leukemia suffers from an abnormal production of blood cells, generally leukocytes (white blood cells). People sometimes confuse leukemia and lymphoma . Leukemia is a cancer of the blood; lymphoma is cancer of the lymphatic system (lymph glands). The word Leukemia comes from the Greek leukos, which means "white", and aima, which means "blood". The DNA of immature blood cells, mainly white cells, becomes damaged in some way. This abnormality causes the blood cells to grow and divide continuously. Healthy blood cells die after a while and are replaced by new cells, which are produced in the bone marrow . The abnormal blood cells do not die when they should, and accumulate, occupying more space. As more cancer cells are produced, they impede the function and growth of healthy white blood cells by crowding out space ...