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This article reviews the coordination of the hypothalamic-pituitary-gonadal axis, male fertility, and therapies for hypogonadism, but reports no new clinical findings.

This review discusses the interplay between epilepsy and reproductive endocrine disorders, examining the factors involved and emphasizing the importance of monitoring but reports no new research findings.

In this study, extracting internal lipids from Caucasian hair fibers led to decreased water permeability, influenced by the fluidity of lipids.

A postmenopausal woman's masculine symptoms improved after surgery for a hormone-producing ovarian tumor.

This Mendelian randomization study reports that lifelong increased free testosterone in males was associated with improved bone mineral density and body composition but increased risks of prostate cancer, hypertension, and several other conditions.

This case report describes a 57-year-old woman with hirsutism, hair loss, and vocal changes, who was found to have elevated testosterone levels but normal dehydroepiandrosterone sulfate levels.

This chapter reviews the clinical effects of androgens like testosterone and its metabolites on various body systems and life stages, but reports no new results.

This review discusses the clinical implications of female androgen deficiency and evaluates treatment options, emphasizing the need for cautious use of replacement therapy in women with severe deficiency and matching symptoms.

This study found no significant differences in fat distribution between Thai women with and without polycystic ovary syndrome, though PCOS women with abnormal glucose tolerance showed higher arm fat.

The document concludes that hair loss in women is complex, often linked to aging, health conditions, and nutritional deficiencies, and emotional impacts should not be underestimated.

This case report describes a 72-year-old woman with a steroid cell tumor of the ovary, highlighting the critical role of imaging, biochemical evaluation, and pathology in diagnosing and managing hormonally active ovarian tumors that cause virilization in postmenopausal women.

This study synthesizes current evidence showing that menopause involves a predictable endocrine transition, while male ageing features a more variable testosterone decline, necessitating a nuanced clinical approach to diagnosis and treatment.

This investigation found that certain supplements, particularly whey protein isolate, growth hormones, and anabolic steroids, can negatively impact hair loss by affecting biochemical pathways.

This article reviews the clinical features, diagnostic criteria, and possible genetic and environmental influences of polycystic ovary syndrome but provides no new research findings.

This review discusses the role of androgens in hair follicle regulation and suggests that a better understanding could enhance treatments for conditions like hirsutism and alopecia, but does not present new findings.

This review describes the roles of 5α-reductase isozymes in prostate development and pathology and reports no new clinical results.

This review discusses the presence of the StAR protein in 17 non-classical steroidogenic tissues, suggesting that advanced detection methods are needed for a complete understanding of its functions in these tissues.

This review presents substantial evidence supporting testosterone use for hypoactive sexual desire disorder in postmenopausal women, but notes safety concerns with off-label prescribing due to lack of approved formulations.

This review discusses the physiological basis, history, and current development of male hormonal contraception, highlighting its potential risks and benefits, but reports no new research findings.

This case study reports that a virilizing Leydig cell type ovarian tumor in a 40-year-old woman caused hyperandrogenism and virilization symptoms, which improved post-surgery.

This study suggests that hepatocellular carcinoma in cirrhotic men is associated with altered sex-steroid metabolism, indicated by lower testosterone and 5 alpha-dihydrotestosterone levels compared to cirrhosis alone.

This review discusses the presence of undeclared substances, including androgenic steroids, in sports supplements and emphasizes potential health risks, without providing new results; it advises caution and consultation on supplement use.

This study found that finasteride caused adverse effects on liver, kidney, and heart tissues in female mice, raising concerns about its potential use in females for treating androgenetic alopecia.

This review discusses the role of neurosteroids and androgens throughout different life stages, noting the potential disruptions caused by 5α-reductase inhibitors like finasteride, but no new clinical results are reported.

This article reviews the skin and hair changes associated with menopause due to hormonal shifts and reports no new clinical results.

This review discusses caffeine's potential role in treating androgenetic alopecia by counteracting DHT effects on hair follicles and enhancing cell proliferation, but reports no new clinical results.

This review examines the negative effects of anabolic-androgenic steroid use on the male reproductive system, including impaired testosterone production, sperm production issues, and adverse metabolic consequences without reporting new clinical results.

This review discusses the causes and recommended clinical investigations for postmenopausal hyperandrogenism, highlighting the role of androgen excess in symptoms like hirsutism and its association with metabolic disorders.

This study reports that the mechanical interactions between human skin and adjacent subcutaneous white adipose tissue influence the appearance of skin wrinkles, with sWAT reinforcement potentially more effective for reducing signs of skin aging than skin reinforcement alone.

In this study involving mice, the researchers observed that circadian rhythm disorder can pass alopecia risk to male offspring, and parental Pu-erh tea consumption, particularly by females or both parents, mitigated this risk through various biological mechanisms.