Leukemia is defined as a cancer observed in white blood cell (WBC) in our body. White blood cell helps our body to fight against infection caused by harmful pathogen. Bone marrow is the center for the production of RBC (carry oxygen to all part of body), WBC (fight against infection) and platelets (help in blood clotting). Our bone marrow produces abnormal WBC when we are suffering from leukemia. Moreover abnormal WBCs are not able to perform normal functioning or WBC loses its ability to fight against infection. Etiology for leukemia includes artificial ionizing radiation, benzene and petrochemicals, alkylation chemotherapy agents, genetic predisposition and electromagnetic energy.
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