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Iron deficiency anemia
Make it clearer
Iron deficiency anemia develops when there is not enough iron to make healthy red blood cells. Iron is part of hemoglobin, the protein that carries oxygen inside those cells.
Picture each red blood cell as a delivery vehicle and hemoglobin as the cargo space that carries oxygen. When iron is low, the body makes less hemoglobin, so the blood carries oxygen less effectively. The name explains the general mechanism, but it does not reveal why the body's iron stores became low.
In brief
Iron deficiency anemia is a type of anemia that develops when the body does not have enough iron. Iron is needed to make healthy red blood cells and is part of hemoglobin, the protein that carries oxygen.
Iron enables oxygen transport.
When iron stores fall, the body makes less hemoglobin and the blood becomes less effective at carrying oxygen to tissues. Anemia describes that consequence. It does not, by itself, explain why iron is low, because loss, absorption, and intake are separate questions.
Sources (2)
- National Heart, Lung, and Blood InstituteIron-Deficiency Anemia
- MedlinePlus, U.S. National Library of MedicineIron deficiency anemia
This page explains the topic in general terms; it does not tell anyone what treatment to follow.
Updated