What is anemia and the different types?
Photo Credit: Courtesy of 3DStockPhoto (different types image)
In general, there are three major types of anemia, classified according to the size of the red blood cells: If the red blood cells are smaller than normal, this is called microcytic anemia. The major causes of this type are iron deficiency (low level iron) anemia and thalassemia (inherited disorders of hemoglobin).