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.