52 citations
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December 1984 in “Journal of the American Geriatrics Society” This study found that serum and hair mineral concentrations, including copper and zinc, showed no differences between Alzheimer's patients and their healthy spouses, suggesting no diagnostic utility for Alzheimer's disease.
June 2025 in “Public Health of Indonesia” This study found that women with chronic telogen effluvium had significantly lower levels of zinc, calcium, vitamin D, and ferritin compared to healthy women without hair loss, suggesting that monitoring and restoring these micronutrients may be crucial in managing this condition.
39 citations
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January 1997 in “Pharmacology & toxicology” This study found that human keratinocytes' sensitivity and response to vitamin D3 analogues vary based on cell density, serum availability, and calcium concentration.
7 citations
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January 2016 in “Hair therapy & transplantation” This study reported significantly lower levels of serum iron, ferritin, and calcium in young patients with premature gray hair compared to controls, implying that supplementation might prevent further graying.
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.