January 2026 in “International Journal of Pharmaceutical Quality Assurance” Alopecia Areata patients have low zinc and high copper levels.
December 2025 in “Cureus” Low serum ferritin is linked to hair loss in women.
October 2025 in “Pakistan Journal of Health Sciences” Low serum ferritin is linked to hair loss in women.
December 2017 in “Revista Brasileira de Saúde Materno Infantil” Pregnant women with Systemic Lupus Erythematosus have a higher risk of blood clotting problems.
Women with androgenetic alopecia (hair loss) have normal prostate specific antigen levels but higher testosterone levels.
10 citations
,
December 1996 in “Fertility and Sterility” Women with acne have lower levels of a specific hormone marker than women without acne.
7 citations
,
September 2020 in “Journal of Cosmetic Dermatology” Serum biomarkers like insulin-like growth factor-1 and vitamin D may help diagnose androgenetic alopecia.
3 citations
,
September 2017 in “Galen medical journal” Patients with psoriasis and cutaneous-oral lichen planus have higher blood homocysteine levels than healthy people.
June 2024 in “Research Square (Research Square)” Copper deficiency is linked to post-COVID-19 hair loss in women.
April 2024 in “Proceedings” People with alopecia areata often have lower iron levels than healthy people.
115 citations
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May 2016 in “Clinical Medicine & Research” TSH is usually the only test needed to check thyroid function in primary care.
37 citations
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March 2014 in “Journal of Trace Elements in Medicine and Biology” Lower hair zinc and copper levels found in Turkish males with hair loss; higher BMI linked to less hair zinc.
24 citations
,
October 1995 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The nafarelin test can reliably distinguish between gonadotropin deficiency and delayed puberty in teenage boys.
1 citations
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December 2017 in “Journal of The European Academy of Dermatology and Venereology” Vertex baldness has higher DHT levels than frontal baldness, but testosterone and PSA levels are similar.
506 citations
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March 2005 in “The Journal of Clinical Endocrinology and Metabolism” Testosterone therapy improves physical function, strength, and body composition in older men with low testosterone levels.
121 citations
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January 1991 in “Acta dermato-venereologica” Terbinafine quickly builds up in skin and hair, staying effective for over 3 weeks.
62 citations
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January 2013 in “Skin Pharmacology and Physiology” Low iron and vitamin D levels are linked to hair loss in women.
44 citations
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April 2008 in “The Journal of Clinical Endocrinology & Metabolism” Women with PCOS have similar levels of certain proteins compared to women without PCOS, and these proteins don't independently cause PCOS.
38 citations
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June 2005 in “Contact Dermatitis” Patient had scalp allergy from minoxidil; test helped identify cause and suggest alternative treatments.
30 citations
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August 1992 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride doesn't affect hormone levels in normal men.
11 citations
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October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride increases hair growth, prolongs hair cycle, and lowers dihydrotestosterone levels.
5 citations
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October 2018 in “Medical Science Monitor” Women with PCOS have lower amylin levels, which are not related to their body weight.
4 citations
,
September 2024 in “Frontiers in Endocrinology” Serum steroid profiling, especially 11-deoxycortisol, helps distinguish between adrenocortical carcinoma and adenoma, considering sex and functional status.
A machine-learning test using hair can help detect autism early in infants.
February 2025 in “Medico Research Chronicles” Verilich hair serum significantly reduces hair shedding and is safe to use.
January 2025 in “International Journal of Gynaecology Research” Adolescent females with PCOS have higher serum cystatin C levels, indicating potential metabolic and cardiovascular issues.
May 2024 in “World Journal Of Advanced Research and Reviews” Low iron levels are strongly linked to chronic hair loss in women.
April 2018 in “Assiut Veterinary Medical Journal/Maǧallaẗ Asyūṭ al-ṭibiyyaẗ al-baytariyyaẗ” Zinc levels in body fluids can help diagnose zinc deficiency in lambs, with fecal zinc as an early indicator.
195 citations
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February 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
72 citations
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April 2008 in “The Journal of urology/The journal of urology” Dutasteride and finasteride do not significantly affect bone density, blood fats, or blood production, but slightly lower PSA levels and minimally impact sexual function in healthy young men.