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June 2008 in “British Journal of Clinical Pharmacology” Low doses of some substances can be beneficial, while high doses can be harmful or toxic.
PMEE may help reverse greying hair by boosting melanin production.
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January 2013 in “Nasza Dermatologia Online” Vitamin B12 deficiency can cause reversible hair color loss in children.
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December 2006 in “Environmental Science & Technology” LA-ICP-MS can effectively track mercury exposure over time in hair.
February 2013 in “Journal of The American Academy of Dermatology” Most children with skin inflammation taking methotrexate had lab abnormalities, but liver issues often improved without changing the medication dose.
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May 2025 in “Journal of Cosmetic Dermatology” Blood metabolites significantly influence alopecia areata risk.
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September 2018 in “International journal of genomics” Genetic mutations that disrupt homocysteine breakdown lead to increased damage in mouse hair keratin.
April 2007 in “CRC Press eBooks” Certain vitamins in wrong amounts, alcohol abuse, metals, and other toxins can cause serious brain and nerve damage.
October 2025 in “Journal of the Endocrine Society” Unregulated glucocorticoid use can disrupt hormone balance and cause serious health issues.
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January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
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January 2021 in “Journal of Dhaka Medical College” Lower iron levels are linked to longer hair loss.
550 citations
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January 2012 in “Oxford University Research Archive (ORA) (University of Oxford)” Lithium can cause some health issues, but severe risks are low.
March 2023 in “Journal of the turkish academy of dermatology” High levels of ceruloplasmin might indicate more severe toenail fungus.
May 2025 in “VETERINARY SCIENCE TECHNOLOGIES OF ANIMAL HUSBANDRY AND NATURE MANAGEMENT” Poor-quality feed and low vitamin A cause reproductive issues in nutrias.
Hair can accurately predict iron levels in cattle muscle, helping diagnose mineral imbalances.
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June 2011 in “Journal of The American Academy of Dermatology” Iron deficiency might be linked to hair loss, but more research is needed.
September 2018 in “International Journal of Dermatology” People with alopecia areata often have lower levels of zinc and vitamin D.
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January 2021 in “Dermatology and therapy” An imbalance in gut bacteria is linked to skin immune diseases and may affect their outcomes and related health issues.
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May 2023 in “Frontiers in immunology” Environmental factors like diet and vitamin levels, especially Vitamin D, can affect autoimmune diseases differently, with lifestyle changes potentially improving outcomes.
October 2022 in “Egyptian Journal of Health Care” Female nursing students with iron deficiency anemia have poor knowledge and practices regarding iron intake, needing better health education and physical monitoring.
March 2022 in “Evidence-based Complementary and Alternative Medicine” Patients with deficiency syndrome, especially qi deficiency, have a higher risk of type 2 heart attacks.
Premature graying of hair is linked to vitamin D and B12 deficiencies, thyroid issues, iron imbalance, stress, and lifestyle habits, and affects quality of life.
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November 1991 in “Journal of Neuropathology & Experimental Neurology” Brindled mice show abnormal catecholamine neuron development due to copper deficiency.
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September 2025 in “Romanian Journal of Medical Practice” Iron deficiency is linked to female pattern hair loss.
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January 2015 in “Springer eBooks” Environmental factors and exposure to toxins may contribute to male infertility by affecting sperm and hormone function.
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January 2014 in “ALTEX” Pesticides can cause reproductive and adrenal health issues.