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.
January 1992 in “Journal of Oriental Neuropsychiatry” This study found that zinc, copper, and chromium levels were significantly lower in the hair of Korean individuals with schizophrenia compared to healthy individuals.
January 2026 in “International Journal of Pharmaceutical Quality Assurance” In this study, researchers observed that patients with Alopecia Areata had significantly lower serum zinc and higher copper levels compared to healthy controls, indicating a disrupted zinc-copper balance that may contribute to the disease's pathogenesis.
18 citations
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January 1977 in “Annals of Nutrition and Metabolism” This article reviews inherited mineral and trace element disturbances and reports no clinical results; it highlights conditions like hypomagnesaemia and acrodermatitis enteropathica linked to impaired nutrient absorption.
1 citations
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June 2013 in “Semina Ciências Agrárias” This study found that although soil and forage in Middle Paraíba, Brazil, contained normal to high copper levels, the surrounding bovine populations showed signs of copper deficiency likely due to antagonistic effects from high iron, zinc, and manganese levels.
