Blood cancers: Cancers for instance leukemia, myeloma, and lymphoma come about when blood cells start to divide uncontrollably with out dying off at the end of their lifetime cycle. Insufficient red cell mass (anemia) can be the result of bleeding, blood disorders like thalassemia, or nutritional deficiencies, and will https://www.youtube.com/watch?v=buIHtQY7fCU