o   Anemia is a condition in which people have fewer than the expected number of red blood      cells in their blood. Anemia should be investigated.

o   There are many kinds of anemia, but blood loss almost always causes iron deficiency anemia.      Unless there is an obvious source of ongoing blood loss, this anemia needs to be explained.

o   Many cancers can cause anemia, but bowel cancers most commonly cause iron deficiency      anemia. Evaluation should include endoscopy or X-ray studies of your upper and lower      intestinal tracts.