1 citations
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March 1958 in “PubMed”
March 1963 in “Sangyo Igaku” Women generally have higher levels of iron, copper, and zinc in their hair than men, with differences increasing with age.
3 citations
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December 1956 in “PubMed” 44 citations
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November 2007 in “Journal of toxicology and environmental health. Part B, Critical reviews” This review explores how copper and zinc concentrations in hair may serve as bioindicators and discusses their potential associations with health disorders, but it reports no new clinical findings.
22 citations
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November 2010 in “Toxicological & Environmental Chemistry Reviews” In this study, higher concentrations of Pb, Cd, Cu, and Zn were found in the hair of smokers and users of hair dyes compared to non-smokers and those with undyed hair.