Leukemia strikes both sexes of all ages and the causes of most cases are unknown Leukemia is a form of cancer that begins in the blood -forming cells of the bone marrow, which is the soft inner part of the bones. Leukemia, which literally means "white blood" in Greek occurs when there is an excess of abnormal white blood cells in the blood. These are known as leukocytes and these cells are so plentiful in some individuals that the blood is actually a whitish colour. Under normal circumstances, the blood cells that are being formed of the bone marrow make leukocytes to defend the body again…
