November 2014 in “Elsevier eBooks” Gene mutations can cause problems in male genital development.
July 2004 in “Transplantation” Iron deficiency is common in kidney transplant patients, and while iron treatment helps, it can cause high red blood cell levels.
An infant with a zinc deficiency skin disorder improved with zinc treatment.
55 citations
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August 2008 in “Reviews in endocrine and metabolic disorders” Nonclassic adrenal hyperplasia is a genetic condition that can cause early puberty and fertility problems, treated with specific steroids.
166 citations
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November 2008 in “Expert Review of Endocrinology & Metabolism” Biotin and biotinidase are essential to prevent health issues, and deficiencies require lifelong supplementation.
113 citations
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June 2010 in “Biological Chemistry” Cathepsin L deficiency causes large, abnormal cell structures and health issues in mice.
57 citations
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February 2018 in “Journal of the American Academy of Dermatology” Biotin supplements are not proven to improve hair or nails and may interfere with medical tests.
56 citations
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December 2011 in “Steroids” The document suggests treating individuals with nonclassic congenital adrenal hyperplasia who show symptoms, especially those related to excess male hormones.
46 citations
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May 2020 in “Cureus” Zinc is vital for immune health, growth, and preventing diarrhea.
34 citations
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January 2004 in “PubMed” DHT deficiency in rats reduces sperm content and affects testis structure over time.
28 citations
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November 2003 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The normal human prostate does not significantly affect blood DHT levels.
20 citations
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March 2005 in “Current Medicinal Chemistry” New compounds show promise for treating hair loss, enlarged prostate, and prostate cancer, with some being more effective and having different side effects than current treatments.
15 citations
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May 2006 in “Brain & development” Valproic acid may cause hair loss by reducing biotinidase enzyme activity in rats.
5 citations
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December 2021 in “Pediatric investigation” Testosterone undecanoate safely and effectively increased penis size in male children with 5-alpha-reductase deficiency.
5 citations
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March 2020 in “Current Opinion in Endocrine and Metabolic Research” Skin problems in PCOS, like excess hair, acne, and hair loss, may not always indicate high male hormone levels and need careful diagnosis for proper treatment.
5 citations
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July 2000 in “Southern Medical Journal” Male pattern baldness is often genetic and linked to a hormone, with treatments like finasteride and minoxidil being effective for some men.
4 citations
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January 2006 in “PubMed” DHT deficiency may disrupt rat epididymis function by affecting estrogen receptors.
3 citations
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January 2021 in “Molecular genetics & genomic medicine” The study found two new mutations in a Chinese patient with severe biotinidase deficiency.
2 citations
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July 2022 in “Asian Journal of Microbiology, Biotechnology & Environmental Sciences” Zinc is essential for plant growth and human health.
1 citations
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May 2025 in “The Journal of Phytopharmacology” Phytoandrogens from plants may help treat low testosterone naturally.
1 citations
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August 2023 in “Cutis” Low ferritin levels can indicate iron deficiency as a cause of hair loss.
1 citations
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September 2021 in “Biomedical & Pharmacology Journal” Reticulocyte hemoglobin content is the best indicator of iron deficiency in women with diffuse non-scarring hair loss.
1 citations
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November 2011 in “Dermatologica Sinica” Women using hair relaxers with alopecia had lower zinc levels, suggesting zinc deficiency might contribute to hair loss.
December 2025 in “Cureus” Zinc supplements effectively treat inherited zinc deficiency in infants.
July 2025 in “International Journal of Pharmaceutical Sciences Review and Research” Balanced selenium intake from wheat is crucial for preventing hair loss.
June 2025 in “Molecular Genetics & Genomic Medicine” Severe genetic variants in children with a specific adrenal condition match predicted symptoms well, but milder variants do not.
April 2024 in “Proceedings” People with alopecia areata often have lower iron levels than healthy people.
March 2024 in “Skin research and technology” High CRP levels could indicate vitamin D deficiency in people with alopecia areata.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” A woman's rare hair loss condition improved on its own, suggesting this type might recover like common cases.
June 2012 in “Springer eBooks” Eating disorders can cause various hair problems, and while hair loss in these disorders is linked to metabolic syndrome, treatment focuses on specific medications and lifestyle changes for the syndrome.