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Leukemia is a type of cancer that harms the body's ability to make healthy blood cells. It starts in the bone marrow, the soft center of various bones. This is where new blood cells are made. There are three main types of blood cells:
Leukemia is a cancer of the tissues that produce blood cells, resulting in abnormal blood cells. Leukemia appears to be related to damage to chromosomes or genes (1). The damage disrupts the process by which blood cells achieve their final and functional form. Leukemia is the most common kind of cancer in children. Leukemia also causes more deaths than any other form of cancer in children. Fortunately, improved treatment methods have greatly reduced deaths from leukemia. Leukemia rates are higher for white children than black children.