December 2021 in “Dermatology research” Low levels of vitamin B12, ferritin, and calcium are linked to premature graying of hair.
July 1993 in “Journal of Radioanalytical and Nuclear Chemistry” Mouse hair element patterns vary, making it unreliable for tracking time.
December 2021 in “Journal of Cosmetic Dermatology” Thiol/disulfide balance is normal in male AGA patients but shifts towards oxidative stress with emotional stress and low vitamin D.
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January 1986 in “PubMed” PIXE is an effective method to analyze hair's elemental composition.
January 2005 in “The Chinese Journal of Dermatovenereology” High fluoride increases damage in hair follicles, but low selenium can reduce this damage at lower fluoride levels.
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December 1956 in “PubMed” 82 citations
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September 1983 in “Clinics in Gastroenterology” Zinc is vital for health, and its deficiency can worsen gastrointestinal and liver diseases.
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July 2018 in “Our Dermatology Online” Some vitamins and minerals are important for preventing hair loss, but treating hair loss with them without a known deficiency is not proven effective.
1 citations
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January 2010 in “Springer eBooks” Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.
16 citations
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February 1986 in “Clinica Chimica Acta” Zinc deficiency is linked to respiratory infections in children.
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December 2011 in “Clinical toxicology” Excessive selenium from a supplement caused toxicity but patients recovered with care.
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April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
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March 2023 in “Frontiers in Nutrition” Hair analysis can detect small changes in dietary zinc intake.
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August 2002 in “PubMed” 21 citations
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June 1991 in “Journal of Inherited Metabolic Disease” Selenium deficiency caused symptoms in a child, which improved with selenium supplements.
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January 2017 in “Journal of Clinical Biochemistry and Nutrition” Higher vitamin D levels are linked to higher iron levels in Korean women without metabolic syndrome, but not in those with it.
September 2018 in “BAUST Journal” Hair samples showed changes in chemical elements over time and location in Venezuela.
January 2016 in “Journal of animal research” Hair can help assess Copper and Zinc levels in dogs.
7 citations
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January 1995 in “Journal American Society of Mining and Reclamation” Excess selenium and sulfur in plants can harm animals, causing symptoms like hair loss and poor reproduction.
January 2012 in “Trace Elements Science” Lead pollution from the mine harms children's IQ, growth, and health.
September 2025 in “Cutaneous and Ocular Toxicology” Micronutrient levels and thyroid function likely don't affect scarring alopecias.
Calorie restriction changes the elemental and isotopic makeup of mouse hair and bone.
70 citations
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March 1980 in “Journal of Nutrition” Zinc deficiency in monkeys causes skin issues and reproductive problems, but supplementation reverses these effects.
Zinc levels and lymphocyte counts might be important in heart disease development.
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March 1991 in “Journal of Radioanalytical and Nuclear Chemistry” Manganese levels in hair may be linked to multiple sclerosis.
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June 2010 in “Clinics in Dermatology” Taking too many vitamin and mineral supplements can cause serious health problems.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Iron deficiency anemia is common and treated with iron supplements and diet changes.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Iron deficiency anemia is common and treated with iron supplements and diet changes.
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January 2018 in “Clinical and Medical Reports” Rare earth elements are crucial in medical imaging and cancer treatment.