Standard Article

Iron Deficiency

  1. Kenneth R Bridges

Published Online: 19 APR 2001

DOI: 10.1038/npg.els.0002277



How to Cite

Bridges, K. R. 2001. Iron Deficiency. eLS. .

Author Information

  1. Brigham and Women's Hospital, Boston, Massachusetts, USA

Publication History

  1. Published Online: 19 APR 2001

This is not the most recent version of the article. View current version (16 FEB 2015)


Iron deficiency is a leading cause of anaemia, affecting more than half a billion people worldwide. Depletion of iron stores precedes impaired production of iron-containing proteins, most importantly haemoglobin. The two important stages of iron deficiency are: (1) depletion of iron stores without anaemia, and (2) depletion of iron stores with anaemia.


  • iron;
  • anaemia;
  • haemoglobin;
  • bleeding;
  • fatigue