16 citations
,
September 2008 in “Dermatologic Therapy” CAH is a genetic disorder affecting cortisol production and causing hormonal imbalances, with treatment and diagnosis varying by form and symptoms.
5 citations
,
May 2017 in “Journal of the European Academy of Dermatology and Venereology” The study found no significant difference in stress hormone levels between people with alopecia areata and healthy individuals, suggesting that the disease is not caused by an overactive stress response system.
June 2016 in “Journal of Coastal Life Medicine” The terrier dog with pituitary-dependent hyperadrenocorticism was successfully treated with mitotane.
November 2011 in “Journal of Investigative Dermatology” TRH in hair follicles can influence hair color by increasing melanin.
Hair cortisol content can indicate cortisol exposure and varies with age, puberty, and BMI in youth.
12 citations
,
January 1999 in “Journal of Animal Science” Glucocorticoids and thyroid hormones together are essential for fetal fat development.
30 citations
,
July 2023 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Cortisone in hair is a more reliable indicator of stress hormone exposure than cortisol.
January 1983 in “Journal of the Japan Veterinary Medical Association” Daily treatment eventually improved the dog's symptoms.
51 citations
,
July 2013 in “Brain Research” Testosterone needs to be converted to DHT to reduce stress response in male rats.
189 citations
,
January 2014 in “Journal of Visualized Experiments” Hair cortisol analysis effectively measures long-term stress.
2 citations
,
July 2021 in “Journal of feline medicine and surgery open reports” A diabetic cat with another gland issue got better after treatment with cabergoline, no longer needing insulin.
217 citations
,
July 2009 in “Experimental and Clinical Endocrinology & Diabetes” Hair analysis can track past cortisol levels in Cushing's Syndrome patients.
9 citations
,
December 1958 in “Journal of Investigative Dermatology”
1 citations
,
October 2022 in “International journal of endocrinology” Dihydrotestosterone changes some hormone-related gene expressions in rat pituitary glands but doesn't affect the estrous cycle.
1 citations
,
June 2024 in “Rehabilitation Medicine” Higher cortisol and cortisone levels in hair may predict mood disorders after a stroke.
7 citations
,
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.
August 2016 in “Psychoneuroendocrinology”
October 2024 in “Journal of the Endocrine Society” ACTH-dependent Cushing's syndrome linked to metastatic cervical cancer is rare and has high risks.
5 citations
,
October 2021 in “Signal Transduction and Targeted Therapy” Stress hormone corticosterone suppresses hair growth by affecting stem cell activity and Gas6 protein expression.
October 2012 in “Semina. Ciências Agrárias” A Shi Tzu dog with high cortisol levels improved after increasing the dose of trilostane.
4 citations
,
December 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human scalp hair follicles can produce hormones and have a system similar to a brain-body communication network.
October 2025 in “Medicine” A potential link exists between unexplained hormone deficiency, hair loss, and testicular tumors, suggesting thorough screening is needed.
77 citations
,
March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
Hair cortisol levels can effectively indicate long-term hormone activity.
A woman's Cushing's syndrome caused by adrenal cancer improved after surgery.
January 2025 in “JCEM Case Reports” Ketoconazole improved symptoms of ACTH-independent Cushing syndrome despite inconclusive initial scans.
2 citations
,
January 2009 The procedure reliably measures cortisol in rhesus macaque hair.
December 2025 in “Biology Bulletin Reviews” Hair cortisol can indicate animal stress but varies with many factors.
199 citations
,
July 2007 in “General and Comparative Endocrinology” Hair cortisol can reliably indicate chronic stress in cats and dogs.
95 citations
,
September 1979 in “Acta Paediatrica” Girls have higher DHEA levels earlier in puberty than boys, indicating earlier development.