6 citations
,
November 2018 in “Journal of Critical Care” Many survivors of critical illness, especially those with sepsis, experience hair loss.
October 2024 in “Journal of the Endocrine Society” Estrogen alone may effectively suppress testosterone in some transfeminine individuals.
October 2024 in “Journal of the Endocrine Society” Estrogen alone can lower testosterone in some transfeminine people.
December 2020 in “Journal of Drugs in Dermatology” The document concludes that more research is needed to confirm if blood tests for things like iron and vitamin D are helpful for hair loss from Telogen effluvium.
June 2019 in “Journal of Akhtar Saeed Medical & Dental College” Prolactin levels are higher in women with hirsutism but don't relate to its severity.
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.
21 citations
,
September 1977 in “Journal of Pharmaceutical Sciences” Minoxidil levels measured in human blood.
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.
1 citations
,
November 2011 in “Dermatologica Sinica” Women using hair relaxers with alopecia had lower zinc levels, suggesting zinc deficiency might contribute to hair loss.
January 2024 in “Journal of the Endocrine Society” The research found that measuring androgens in urine can give extra information about body metabolism and is linked to androgen levels in the blood, especially in young girls.
195 citations
,
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.
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.
44 citations
,
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.
8 citations
,
July 2018 in “Analytical sciences” Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.
6 citations
,
May 2016 in “Urolithiasis” Balding and low testosterone increase risk of urinary stones.
2 citations
,
March 2023 in “3C Empresa Investigación y pensamiento crítico” Alopecia areata patients have higher IFN-γ and low vitamin D3 levels.
2 citations
,
January 2012 in “Hair therapy & transplantation” Low serum ferritin levels are not closely linked to telogen effluvium in women.
1 citations
,
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.
October 2025 in “Pakistan Journal of Health Sciences” Low serum ferritin is linked to hair loss in women.
June 2023 in “Benha Journal of Applied Sciences” Targeting IL-17 could help treat pattern hair loss.
July 2022 in “International Journal of Health Sciences (IJHS) (En línea)” Men with Type 2 Diabetes have lower DHT levels, which may affect fertility and lipid profiles.
March 2022 in “Benha Journal of Applied Sciences” ULBP3 levels are higher in Tinea capitis patients and may help predict the disease's severity.
February 2022 in “Global academic journal of medical sciences” People with alopecia areata have much lower Vitamin-D levels than healthy individuals.
56 citations
,
January 2008 in “Dermatology” Higher iron levels in the blood are not linked to increased hair loss in women.
9 citations
,
November 2003 in “Journal of Investigative Dermatology” Low serum ferritin levels are linked to hair loss in women.
November 2022 in “SAS journal of medicine” There's no link between low iron levels and the hair loss condition, alopecia areata.
April 2018 in “Journal of Investigative Dermatology” Sensitive scalp has higher pH, more redness, abnormal sebum, and altered bacterial makeup.
506 citations
,
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.
32 citations
,
August 1999 in “Journal of Investigative Dermatology” Early onset hair loss linked to genetics and androgen levels.
11 citations
,
October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride increases hair growth, prolongs hair cycle, and lowers dihydrotestosterone levels.