37 citations
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March 2014 in “Journal of Trace Elements in Medicine and Biology” This study reported that Turkish males with male pattern androgenetic alopecia had significantly lower zinc and copper levels in their hair compared to healthy controls, suggesting these imbalances may play a role in the condition's etiology.
22 citations
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April 2020 in “Frontiers in Cellular and Infection Microbiology” This study found significant differences in scalp microbiome composition and volatile organic metabolites between individuals with alopecia areata and healthy controls, suggesting potential microbiome-related therapeutic interventions for hair growth disorders.
16 citations
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March 2000 in “Clinical Biochemistry” In this study, women with androgenic alopecia showed increased excretion of steroid metabolites and heightened 5α-reductase activity, suggesting these may contribute to the condition's hormonal abnormalities.
16 citations
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February 1986 in “Clinica Chimica Acta” Zinc deficiency is linked to respiratory infections in children.
13 citations
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October 2002 in “Journal of Biochemical and Biophysical Methods” This study found that men with androgenic alopecia had significantly higher levels of certain urinary steroid metabolites, suggesting increased 5 alpha-reductase activity and possible mild hyperadrenal activity.