Blood cancers: Cancers which include leukemia, myeloma, and lymphoma occur when blood cells begin to divide uncontrollably without the need of dying off at the end of their existence cycle. Insufficient red cell mass (anemia) can be the results of bleeding, blood Conditions like thalassemia, or nutritional deficiencies, and https://www.youtube.com/watch?v=buIHtQY7fCU