199 citations
,
July 2007 in “General and Comparative Endocrinology” Hair cortisol can reliably indicate chronic stress in cats and dogs.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
2 citations
,
November 2011 in “InTech eBooks” Stress can worsen skin conditions by affecting immune responses and skin cell activities.
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.
41 citations
,
January 2000 in “Hormone Research in Paediatrics” Cortisone reductase deficiency can cause high androgen and cortisol levels and may be missed in women with similar symptoms.
August 2018 in “Brock University Digital Repository (Brock University)” Adolescent male rats release more stress hormones than adults, and testosterone affects them differently.
16 citations
,
May 1998 in “International Journal of Dermatology” Stress hormones like cortisol may trigger psoriasis flare-ups.
65 citations
,
December 1986 in “The Journal of Clinical Endocrinology & Metabolism” The woman had a genetic condition causing high cortisol and androgen levels, treatable with dexamethasone.
July 2011 in “Neurotoxicology and Teratology”
April 2025 in “Medical Journal of Babylon” Copeptin and cortisol levels are higher in alopecia areata patients, suggesting they could help diagnose and manage the condition.
April 2025 in “Journal of the Faculty of Medicine Baghdad” Alopecia areata patients may have higher T3 and cortisol levels, suggesting a hormonal link.
Hair cortisol content can indicate cortisol exposure and varies with age, puberty, and BMI in youth.
April 2020 in “Journal of the Endocrine Society” Hair cortisol measurement can help diagnose and monitor Cushing’s disease.
24 citations
,
May 1951 in “Endocrinology” Adrenocorticotropic hormone inhibits growth and affects body composition in male rats.
October 2025 in “Journal of the Endocrine Society” Unregulated glucocorticoid use can disrupt hormone balance and cause serious health issues.
May 2016 in “Endocrine Abstracts” Proximal hair cortisol is a reliable tool for diagnosing Cushing's Syndrome.
December 2025 in “Biology Bulletin Reviews” Hair cortisol can indicate animal stress but varies with many factors.
Hair cortisol levels can effectively indicate long-term hormone activity.
July 2019 in “Journal of the ASEAN Federation of Endocrine Societies” The woman had a rare adrenal tumor removed, and she recovered well with no signs of the tumor returning.
October 2024 in “Journal of the Endocrine Society” A single steroid injection can cause serious side effects like Cushing Syndrome.
February 2026 in “Psychoneuroendocrinology” Hair cortisol concentration partly reflects HPA axis regulation but doesn't capture all its complexities.
189 citations
,
January 2014 in “Journal of Visualized Experiments” Hair cortisol analysis effectively measures long-term stress.
69 citations
,
May 2016 in “General and Comparative Endocrinology” External factors can significantly affect hair cortisol levels, so it's not always a reliable stress marker.
23 citations
,
February 1979 in “Veterinary Clinics of North America: Small Animal Practice” Treatment can improve survival and symptoms in dogs with Cushing's disease, but outcomes are unpredictable.
2 citations
,
January 2022 in “Skin Pharmacology and Physiology” Dexamethasone increases the activity of androgen receptors in human skin cells, which may link it to certain types of hair loss.
April 2024 in “JCEM case reports” A woman's rare benign tumor that released both cortisol and testosterone was successfully removed, improving her health.
December 2025 in “Therapeutic Drug Monitoring” Pulverization extracts more cortisol from hair, but any method works due to individual differences.
65 citations
,
December 2015 in “Experimental dermatology” Corticosteroid treatment reduces inflammation and alters hair keratins in alopecia areata.
101 citations
,
January 2014 in “Journal of Visualized Experiments” The method effectively measures long-term stress levels using hair samples.
217 citations
,
July 2009 in “Experimental and Clinical Endocrinology & Diabetes” Hair analysis can track past cortisol levels in Cushing's Syndrome patients.