November 2023 in “Biology” This study investigated 130 patients and found a significant inverse correlation between copper content and the copper/zinc ratio in hair samples and the extent of coronary artery disease, while zinc content alone showed no significant relationship with disease extent.
October 2004 in “Kafrelsheikh Veterinary Medical Journal” In this study, buffalo calves fed only corn silage showed deficiencies in copper, zinc, selenium, and vitamin A, along with improved physiological conditions after dietary supplementation and treatment.
3 citations
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April 2023 in “Journal of Veterinary Internal Medicine” This study found that dogs with idiopathic epilepsy had altered hair concentrations of several trace elements, which may suggest a role in the disease's pathophysiology and indicate effects from antiseizure medications.
15 citations
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July 2012 in “Biological trace element research” This study found that an increased calcium/magnesium ratio in hair and lower chromium concentration were associated with higher insulin resistance in Korean adult males.
73 citations
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January 2013 in “Annals of Dermatology” This study observed that patients with various types of hair loss had significantly lower serum zinc levels compared to healthy controls, suggesting zinc disturbance may play a role in the condition.