:red_cross:Red blood cell disorders can include anemia and polycythemia.
:bone:The bone marrow is responsible for the production of red blood cells.
:pill:Hormonal imbalances, nutrient deficiencies, drugs, and toxins can affect red blood cell production.
:blood:Anemia is characterized by a low number of red blood cells, hemoglobin, and hematocrit.
:microscope:The reticulocyte index can help identify the underlying cause of anemia.