93 citations
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January 2009 in “PubMed” This study found that women with serum ferritin levels below or equal to 30 ng/mL have a strong association with an increased risk of diffuse telogen hair loss.
34 citations
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July 1999 in “Journal of The European Academy of Dermatology and Venereology” Iron deficiency is not a significant cause of hair loss in women.
5 citations
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August 2003 in “British Journal of Dermatology” This article discusses the association between chronic diffuse telogen hair loss in women and iron deficiency, supporting the view that iron's role is unclear and often overstated, but reports no new clinical results.
May 2022 in “Clinical Epigenetics” This study found that maternal early-pregnancy serum ferritin concentrations were associated with lower DNA methylation levels at specific CpG sites in cord blood, with some associations persisting into childhood.
6 citations
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January 1971 in “Pathology” Children's hair needs only a little iron for normal growth, regardless of their body's iron levels.