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This study found that hair cortisol concentration is a promising stress indicator in cattle but not in pigs, where external factors and lower cortisol response may interfere with its validity.

This study found that adolescent girls with anorexia nervosa had lower hair cortisol concentrations compared to healthy and psychiatric controls.

In this study, hair from forearms showed higher cortisol levels than hair from lower legs, suggesting a localized cortisol response in hair.

This review describes two cases of young women with primary amenorrhea and hyperandrogenemia, suggesting that adrenal tumors should be considered in patients with significantly elevated circulating testosterone levels.

This study found a weak negative correlation between inhaled corticosteroid dose and hair cortisol levels in children with asthma, suggesting that hair cortisol measurement may reflect adrenal function in these children.

This study observed fluctuations in hair cortisol levels in rabbits, indicating their HPA axis activity responded similarly to surgical and environmental stressors, suggesting potential anthropomorphic evaluations of stress.

This case report observed hypertrichosis on the left forearm of an 80-year-old woman, possibly linked to her previous use of the topical steroid betamethasone butyrate propionate for dermatitis.

This study found that alcohol dependence is associated with altered HPA axis functioning, with AD patients showing higher hair cortisol concentrations and reduced ACTH and cortisol levels, irrespective of childhood maltreatment history.

This case study describes a severe instance of iatrogenic Cushing's syndrome induced by gamma-hydroxybutyric acid, exacerbated by combined use of betamethasone and anabolic steroids, in an HIV-positive patient on cobicistat-containing therapy.

In this case study, medical management with trilostane improved clinical signs and normalized serum chemistry in a dog diagnosed with adrenal-dependent hyperadrenocorticism over 80 weeks of treatment.

This study found that 62% of neutered dogs with hair cycle arrest experienced partial to complete hair re-growth after melatonin treatment, but hair re-growth was not consistently linked to normal sex hormone levels.

This study found that hair regrowth in Pomeranians with hair cycle arrest treated with melatonin was not associated with a change in oestrogen receptor-α staining.

In this study, the authors reported a case of alopecia X in a German Spitz dog and found that treatment with orchiectomy and melatonin resulted in partial hair regrowth and improved the dog's dermatological condition.

In this case report, researchers described a postmenopausal woman with virilization symptoms who was diagnosed with a Leydig cell tumor in her ovary, and symptoms improved following tumor removal. The authors highlighted the diagnostic challenge of differentiating such cases from age-related hormonal changes.

This study, conducted on 17 dogs with hyperadrenocorticism in Germany, concluded that while common symptoms like polyuria and polydipsia were observed in all cases, clinical signs and blood parameters did not significantly correlate with diagnostic test results for the condition.

This study found that serum DHEA levels increase earlier and are higher in girls compared to boys through various stages of puberty, reflecting their earlier pubertal development.

This review discusses the characteristics, diagnostic challenges, and management options for postmenopausal hyperandrogenism but reports no new clinical results; it highlights the importance of distinguishing potential androgen-producing tumors or hyperandrogenic disorders.

This case report describes a 37-year-old female with non-classical congenital adrenal hyperplasia who presented with severe acne, progressive hair loss, and primary infertility, managed with prednisolone.

This case study suggests that genetic susceptibility to PCOS and rare syndromes, such as Trichorhinophalangeal syndrome Type 1, should be considered in young men with unexplained hyperandrogenism.

This report details a 6-year-old girl with adrenocortical cancer presenting with voice changes, weight gain, and excessive hair growth, successfully treated with surgery and medication, with symptoms resolved after 6 months.

This integrative literature review revealed that chronic stress, characterized by elevated cortisol levels, negatively impacts hair follicle integrity and contributes to alopecia by promoting the premature transition from the growth phase to the resting phase of the hair cycle.

This study found that surgical removal of adrenal glands resolved clinical signs of adrenocortical tumors and hyperplasias in ferrets, but cortisol levels were not excessively high.

In this study using a PCOS mouse model with added stress, researchers observed that combining corticosterone with dihydrotestosterone partially supported the hypothesis of behavioral changes, aligning with depression and anxiety-linked symptoms in women with PCOS.

Hair cortisol concentration partly reflects HPA axis regulation but doesn't capture all its complexities.

Cortisone and cortisol levels in pregnant women’s hair increase as labor approaches, indicating higher stress.

In this study, a plasma-fluorescent corticoid test effectively differentiated patients with adrenal insufficiency from those with normal adrenal function based on their response to corticotropin.

Managing metabolic syndrome needs both lifestyle changes and medical treatments.

This review discusses the neurobiology of sexual function and reports no new results; the authors cover multiple endocrine and neurotransmitter influences on sexual desire, arousal, and orgasm stages.

This review discusses the potential impact of endocrine-disrupting chemicals and body size on pubertal onset and progression, highlighting critical gaps and priorities for future research without presenting new clinical results.

This article suggests using only firm criteria to diagnose polycystic ovary syndrome in adolescents, due to the evolving nature of its features during this period.