Leukemia is a cancer that occurs when the bone marrow produces abnormal white blood cells. Their is two types of Leukemia, chronic and acute Leukemia. Chronic Leukemia is when the illness it develops slow, and Acute Leukemia is when it disease develops fast.
Leukemia is 25% of the childhood cancers. It affects 2200 children in America.
98% of the children suffer from Acute leukemia.