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This study found that hair cortisol levels increase and testosterone levels decrease with obesity, suggesting that measuring hormones in hair may be a valuable tool in obesity research and clinical practice.

In this case study, a 44-year-old woman with an adrenal adenoma secreting both cortisol and androgens developed Cushing syndrome and significant virilization, but experienced major symptom improvement following surgical removal of the benign tumor.

In this study, testosterone and dehydroepiandrosterone in children's hair were strongly correlated, supporting hair as a potential method for measuring these hormones.

This study found that school-related stress increases hair cortisol in girls and alters hair testosterone and cortisol levels in boys, indicating gender-specific hormonal responses to environmental changes.

In this animal study, finasteride was found to significantly lower cortisol and increase testosterone levels in female rats, indicating its broader impact on endocrine regulation by altering adrenal and gonadal hormones.

This study found that steroid hormones influence the quality indicators of fresh and cryopreserved stallion sperm, with testosterone negatively correlated with motility and estradiol positively correlated with survival rate.

This study demonstrated that cortisol, estradiol, and testosterone are preserved in archaeological human hair, allowing for the analysis of ancient stress and reproductive hormone patterns.

This study found that women undergoing mid-trimester termination of pregnancy exhibited increased cumulative cortisol and testosterone levels in hair samples, higher anxiety, but better stress coping strategies two months post-abortion, suggesting hair testosterone may be linked to emotional vulnerability such as neuroticism during this period.

This case report describes a functional adrenocortical oncocytoma that co-secreted testosterone and cortisol.

This study found that progesterone levels were higher and increased significantly throughout pregnancy, contrasting with stable levels in non-pregnant women.

In this study, prolonged intravenous Fenoterol infusion was associated with intensive hair growth in most patients, although hormonal changes typically linked to such effects were not observed.

This case report describes a testosterone- and cortisol-secreting adrenocortical oncocytoma causing hirsutism in a 23-year-old woman, highlighting adrenal oncocytomas as an important consideration for differential diagnosis.

In this study, dementia caregivers showed lower hair cortisol levels than controls despite reporting higher perceived stress, providing weak support for the Perseverative Cognition Hypothesis and suggesting complex effects of caregiving stress.

This study found that cortisol concentrations were significantly higher in hair samples with follicles compared to those without, suggesting potential confounding in stress assessments using different hair sampling methods.

Proximal hair cortisol is a reliable tool for diagnosing Cushing's Syndrome.

This study found that hair steroid analysis effectively detected increased hormone levels from both a single testosterone dose and laboratory-induced stress, revealing individual context factors like relationship status also impact hair hormone concentrations.

This study found trilostane to be an effective and generally safe treatment for improving symptoms in dogs with pituitary-dependent hyperadrenocorticism.

This study concluded that a 26-year-old woman had autosomal dominantly inherited hereditary cortisol insensitivity, leading to increased adrenocortical cortisol and androgen secretion, which caused clinical symptoms unlike in her male relatives.

In this study, researchers observed that lower serum zinc concentrations were associated with decreased serum testosterone levels, but no link was found with sexual function questionnaire scores.

This case report describes a challenging diagnosis of Cushing’s syndrome using endocrine tests and imaging, which ultimately identified an adrenal etiology. Successful treatment involved a non-invasive desmopressin stimulation test and right adrenalectomy, leading to improvement in symptoms and health outcomes for the patient.

This case study reports a patient with ACTH-driven cortisol secretion 14 years after adrenalectomy, suggesting possible residual adrenal tissue or extra-adrenal steroid synthesis, challenging the need for lifelong steroid replacement.

This study found that cortisol increases mac25/IGFBP-rP1 expression in osteoblast-enriched cells from fetal rat calvariae, indicating transcriptional regulation which may influence IGF and insulin effects in bone.

In this study, pioglitazone treatment in insulin-resistant PCOS patients decreased relative 5alpha-reductase activity without significantly affecting cortisol levels or urinary cortisol excretion.

This study found that women with PCOS had significantly higher hair cortisol concentrations, suggesting hyperactivation of the HPA axis may affect metabolic and inflammatory markers in those with elevated cortisol levels.

This review discusses the potential of using human hair proteomics for non-invasive diagnostic and forensic applications but reports no new results; the authors highlight areas needing further research.

This case report describes a young woman with an adrenal oncocytic tumor of uncertain malignant potential, highlighting the need for ongoing surveillance due to possible malignancy.

In this study, hair glucocorticoid levels, including cortisol and cortisone, showed varied associations with psychosocial stress factors, influenced by covariates like sex, age, and individual behaviors.