23 citations
,
January 2016 in “Brazilian Journal of Psychiatry” First-episode psychosis patients have higher hair cortisol levels, indicating early stress response issues.
October 2004 in “DOAJ (DOAJ: Directory of Open Access Journals)” Men with hair loss don't necessarily have higher levels of the hormone DHEA-S, but this hormone tends to decrease with age.
13 citations
,
January 2015 in “International Journal of Trichology” Higher lead and cadmium, and lower zinc and iron levels in the blood might be linked to chronic hair loss in women.
177 citations
,
June 1991 in “The Journal of Clinical Endocrinology & Metabolism” Caucasian men have more chest hair and higher levels of certain androgen products than Chinese men.
January 2004 in “Weiliang yuansu yu jiankang yanjiu” Copper levels differ by gender, and young children have higher mineral levels.
April 2011 in “Medical Journal of Tabriz University of Medical Sciences and Health Services” Many patients with Alopecia Areata have underlying autoimmune disorders, especially thyroid issues.
4 citations
,
January 2012 in “Human health handbooks” Normal iron levels are crucial for healthy skin, hair, and nails.
3 citations
,
June 2019 in “Journal of Bangladesh Society of Physiologist” People with hair loss often have lower levels of zinc and copper in their blood.
January 2022 in “Menoufia Medical Journal /Menoufia Medical Journal” Higher levels of retinol-binding protein 4 are found in people with alopecia areata, but these levels don't relate to how severe the condition is.
September 2018 in “BAUST Journal”
29 citations
,
March 2010 in “Journal of Endocrinological Investigation” Lipocalin-2 levels are higher in women with PCOS and may indicate insulin resistance.
May 2026 in “Journal of the Egyptian Womenʼs Dermatologic Society” Higher oxidative stress markers are linked to hair loss in post-COVID-19 patients.
Hair can show daily calcium changes, linked to body calcium levels and influenced by hormones, and can help assess calcium metabolism issues.
26 citations
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January 1982 in “Hormone Research” Normal androgen levels need ACTH, and different mechanisms control adrenarche and gonadarche.
130 citations
,
October 2006 in “Allergy” Allergic reactions to blood thinners are rare but can be serious, requiring careful testing and alternative treatments.
September 2021 in “Journal of the Egyptian Women's Dermatologic Society (Print)” The study concluded that low iron and vitamin D levels in women might play a role in chronic hair loss, despite no significant difference between those with and without hair loss.
Hair analysis can help identify specific minerals and amino acids linked to various diseases.
April 2020 in “Journal of the Endocrine Society” Hair cortisol measurement can help diagnose and monitor Cushing’s disease.
December 2025 in “Cureus” Low serum ferritin is linked to hair loss in women.
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.
19 citations
,
March 1975 in “British Journal of Dermatology” A new method accurately measures cyclic AMP levels in small skin and hair samples.
September 2025 in “Archives of Medicine and Health Sciences” Many first-trimester pregnant women in Mysore have anemia and iron deficiency, needing better care and interventions.
March 2026 in “Nutrients” Hair manganese may relate to cardiometabolic health, not coronary artery disease severity.
Zinc levels and lymphocyte counts might be important in heart disease development.
52 citations
,
March 2016 in “JAMA dermatology” Patients with PCOS rate their hirsutism higher than clinicians, and these self-ratings are more closely related to their quality of life and risk of depression.
1 citations
,
January 2018 in “Annals of medical research” No link found between blood groups, Rhesus factor, and ferritin levels in women with hair loss.
September 2024 in “Toxicology Letters” Cortisone and cortisol levels in pregnant women’s hair increase as labor approaches, indicating higher stress.
9 citations
,
June 2014 in “European Journal of Obstetrics & Gynecology and Reproductive Biology” Blood AMH levels are higher in women with PCOS than in those with other similar conditions.
66 citations
,
November 2001 in “European journal of endocrinology” Low SHBG and high FAI, FT, and DHEAS levels are effective in identifying PCOS.