This series on “Iron Metabolism” is edited by Dr. Katell Peoc’h, from Hôpital Beaujon, Service de Biochimie, APHP, HUPNVS, DHU Unity, Clichy, France.

The exploration of iron metabolism is an old topic of interest. Indeed, this metal has a significant impact on human health. Iron deficiency is responsible for abnormal neurodevelopment in infants. Moreover, more and more scientific reports have evidenced that iron deficiency, even without anemia, is a risk factor in various diseases and is implied in the response and recovery after surgery. As a sum, it would be interesting to overview and update the actuality of iron in human health.