EPO= epogen ,a "blood building" agent given to people with a abnormaly low Hemoglobin and/or Hematocrit levels as a result of chemo,anemia,ect.However EPO is produced naturally in the body but not in sufficient quantities for peolpe who have taken or are currently taking chemo,due in part to the general distruction of all blodd cells not just "cancer cells"And of course there are other resons someone would take EPO besides cancer ,kidney disease,AIDES,surgery,ect.
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