February 2026 in “Psychoneuroendocrinology” Hair cortisol concentration partly reflects HPA axis regulation but doesn't capture all its complexities.
17 citations
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August 1967 in “JAMA” The rapid corticotropin test is a quick and simple way to diagnose adrenal insufficiency.
November 2024 in “Frontiers in Endocrinology” Hair analysis can help diagnose adrenal disorders non-invasively.
16 citations
,
August 2007 in “Histopathology” A woman's rare adrenal tumor caused high testosterone and cortisol levels, which normalized after the tumor was removed.
19 citations
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June 2020 in “General and comparative endocrinology” Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.
51 citations
,
July 2013 in “Brain Research” Testosterone needs to be converted to DHT to reduce stress response in male rats.
1 citations
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June 2023 in “Psychoneuroendocrinology” Childhood sexual trauma, especially between ages 5-7, is linked to lower cortisol levels in adult hair, suggesting long-term stress response changes.
137 citations
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January 2006 in “Frontiers in bioscience” CRH in the skin acts like the body's stress response system, affecting cell behavior and immune activity.
7 citations
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January 2014 in “Case reports in endocrinology” A woman's excessive hair growth was caused by a rare benign tumor in her adrenal gland, which was successfully removed.
Hair cortisol levels can effectively indicate long-term hormone activity.
June 2016 in “Journal of Coastal Life Medicine” The terrier dog with pituitary-dependent hyperadrenocorticism was successfully treated with mitotane.
April 2026 in “Journal of Experimental Psychopathology” Hair cortisol levels may not reliably indicate psychological distress.
January 1953 in “The Lancet” Cortisone may help hair regrow by altering the local environment, with regrowth starting 3-4 weeks after treatment, but its use is not widely recommended.
22 citations
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December 2010 in “Journal of Cosmetic Dermatology” Finasteride may increase depression by reducing brain cell growth.
25 citations
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January 1978 in “JAMA” Topical corticosteroids can cause serious side effects like Cushing's syndrome and hirsutism.
50 citations
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July 2018 in “Psychoneuroendocrinology” Hair cortisol can indicate long-term stress levels, but hair growth rate differences may affect accuracy.
Hair cortisol content can indicate cortisol exposure and varies with age, puberty, and BMI in youth.
September 2024 in “Toxicology Letters” Cortisone and cortisol levels in pregnant women’s hair increase as labor approaches, indicating higher stress.
April 2025 in “Journal of the Faculty of Medicine Baghdad” Alopecia areata patients may have higher T3 and cortisol levels, suggesting a hormonal link.
December 2025 in “Biology Bulletin Reviews” Hair cortisol can indicate animal stress but varies with many factors.
January 2018 in “Digital Scholarship - UNLV (University of Nevada Reno)” Hair cortisol levels can indicate chronic stress in children, with differences seen between races.
August 2016 in “Psychoneuroendocrinology”
55 citations
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March 1990 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride may treat baldness but less effective for those with 5α-reductase deficiency.
15 citations
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October 2014 in “Hormone Molecular Biology and Clinical Investigation” Some hair loss and prostate drugs might increase the risk of diabetes and heart disease.
January 2004 in “Online Publication Service of Würzburg University (Würzburg University)” Women with PCOS have higher 5alpha-reductase activity, affecting steroid levels.
5 citations
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June 2020 in “Therapeutic drug monitoring” Hair sample weight is a better measure for cortisol levels in hair than hair protein concentration.
August 2018 in “Brock University Digital Repository (Brock University)” Adolescent male rats release more stress hormones than adults, and testosterone affects them differently.
12 citations
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April 2020 in “British Journal of Dermatology” Caffeine may help reduce stress-induced hair loss.
High-stress mothers had lower hair cortisol than low-stress mothers, and daughters' cortisol was linked to their stress response.
1 citations
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September 2017 in “Journal of Investigative Dermatology” Blocking a specific enzyme can reduce the negative impact of stress hormones on hair growth cells.