Acute Lymphocytic Leukemia (ALL) is cancer that is similar to acute myelogenous leukemia exception, rather than affecting all cell types, starting in lymphocytes. Lymphocytes are white blood cells that defend the body against infection. Bone marrow cells have not been made known as the blasts, which in healthy people will become lymphocytes. ALL the people, however, these blasts do not normally develop into white blood cells. The cells are abnormal then took place in the mind is usually devoted to healthy cells, and inhibit the creation of new cells. This process can result in a reduction of red blood cells and the development of anemia, as well as a reduction of white blood cells that leads to a weak immune system.