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Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.

IL-6 contributes to hair loss by shortening the growth phase and causing hair follicles to regress.

In this randomized trial, topical minoxidil treatment resulted in cosmetically acceptable hair growth in 32% of men with hereditary male pattern baldness, with no serious side effects reported.

This study found that protease nexin-1 mRNA is expressed in human dermal papilla cells and is downregulated by dihydrotestosterone in balding scalp, suggesting a role in male-pattern baldness progression.

Women's ovarian hormones and adrenal androgens change throughout life, affecting hair loss and health.

This study found that in male androgenetic alopecia, the contrast enhanced phototrichogram technique was superior in detecting changes in hair density and thickness compared to other methods.

This study found that the normalized androgen ratio (NAR) could help evaluate androgen activity in women with acne vulgaris, hirsutism, and androgenetic alopecia, showing elevated NAR in some patients.

This study found that androgen receptor signaling is linked to blood vessel regression in the dermal papilla of balding scalp, contributing to hair follicle miniaturization in androgenetic alopecia.

This article reviews the complex relationship between androgenic hormones and skin disorders, emphasizing the need for further innovative research to understand varying skin responses, but it reports no new findings.

Early hair loss in men and women may indicate a higher risk of heart disease and metabolic problems.

This article discusses how dihydrotestosterone (DHT) contributes to male pattern baldness by affecting genetically sensitive hair follicles and includes no new research findings.

Protease Nexin-1 is found in human hair growth cells and is affected by male hormones.

This report describes a new case of isolated trichothiodystrophy with characteristic brittle hair and suggests a simplified classification scheme for understanding sulfur-deficient hair disorders.

This article discusses the hypothesis that mechanisms driving androgenic alopecia may reduce the risk and proliferation of prostate cancer by increasing prostaglandin D2 levels but presents no new clinical findings.

This case report describes a young woman with hypopituitarism who experienced hair loss typical of female androgenetic alopecia without detectable androgens, suggesting this hair loss pattern may not always be androgen dependent.

This study observed that in cases of moderately severe male-pattern hirsutism, elevated free plasma androgen levels occur in 85% of patients, suggesting a subtle hyperandrogenic state as a common underlying factor.

The abstract reports no new results but discusses Berry's belief that most changes in breast cancer incidence are due to screening, measurement adjustments, or hormone use.

This review of Leon Sperling's Atlas of Hair Pathology discusses the visual and diagnostic value of its comprehensive coverage on hair and scalp diseases but reports no new clinical findings.

This article provides citations without reporting new findings on androgen conjugate levels in alopecia.

This study identified two types of hard alpha-keratin filament assemblies in developing human hair follicles, which may help investigate the structural framework of mammalian keratin appendages.

This study found that fruit extracts from certain Egyptian Sabal species demonstrated significant anti-androgenic activity and potential therapeutic effects against benign prostatic hyperplasia in rat models and cell lines.

This study found that women with female pattern baldness had a marked increase in the 3α,17β-androstanediol glucuronide/sex hormone binding globulin ratio and low serum sex hormone binding globulin.

This study identified three novel genetic loci associated with PCOS and found similar genetic architecture across different diagnostic criteria, with evidence suggesting genetic links between PCOS and various metabolic and psychological traits.

This study found that parents of women with PCOS have a higher prevalence of insulin resistance and Type II diabetes than parents of healthy women.

This review outlines the evolution of hair follicle engineering and its foundational discoveries, but reports no new experimental results.

This paper reviews current knowledge about androgens' role in androgenic alopecia and female hirsutism but presents no new clinical findings.

This article reviews the pathophysiology and causes of androgen-mediated hair growth in hirsutism but does not report any clinical outcomes; treatment aspects are discussed separately.

This study identified three new genetic loci associated with PCOS and found a similar genetic structure across different diagnostic criteria, suggesting a genetic basis for shared metabolic traits and potential causal links to other conditions.

This case report highlighted rapid virilization in a woman with adrenocortical carcinoma, stressing the importance of androgen evaluation to suspect underlying ovarian or adrenal tumors.

Researchers found potential new targets for treating melanoma and nonmelanoma skin cancers, and identified a possible cause and treatment for male pattern baldness and eczema.