Leukemia is cancer of the blood or bone marrow which produces blood cells. A person with leukemia suffers from an abnormal production of blood cells, generally the white blood cells.
The cancer begins when the DNA of immature blood cells become damaged, and this damage causes the cells to grow and divide chaotically. Usually a normal blood cell will die, but these mutations do not die so easily. Therefore, many cells accumulate and take up space. These faulty cells crowd out the good cells in the blood. When this happens the suffer becomes ill. To learn more, go to MedicalNewsToday.com