11 citations
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September 1999 in “Biological Trace Element Research” This study concluded that mineral element deficiencies in pregnant women may be alleviated with targeted nutrient supplementation, although mutual resistance and promotional effects among the supplements were observed.
7 citations
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January 2002 in “Biological Trace Element Research” This study found that children with pituitary dwarfism had higher zinc and copper hair concentrations and lower manganese concentrations compared to healthy children.
May 2024 in “Journal of trace elements in medicine and biology” In this study, researchers observed that pregnant women who were overweight or obese before pregnancy had lower iron concentrations in serum and hair, as well as lower dietary iron intake, during their first trimester compared to women with normal body weight.
January 2026 in “Journal of Trace Elements in Medicine and Biology” This study found that living environment significantly influenced Fe concentrations in dog and cat hair, with outdoor animals showing higher levels than those kept indoors.
21 citations
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April 2009 in “Trace Elements and Electrolytes” This study found that autistic children had significantly lower iron levels and higher selenium levels in their hair compared to healthy peers, with variations observed between autistic boys and girls.