Iron deficiency anemia is the condition when the level of hemoglobin is decreased in your RBC( Red Blood Cells). Hemoglobin is a protein which is found in RBC and is responsible for carrying oxygen to the Body. Hemoglobin contains iron molecule but in the absence of iron molecule hemoglobin does not form and its level gets decreased and the condition is called Iron deficiency anemia. It can be cured with proper treatment i.e iron deficiency anemia treatment.