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The researchers concluded that while oral finasteride is effective and generally safe for treating male pattern hair loss, careful patient selection and risk assessment are important to address potential concerns such as fertility issues and mental health risks.

This article discusses the use of low-level laser therapy for hair regrowth in men and women but reports no new clinical results; it reviews types of lasers and evidence from animal and human studies.

This study reported that chemotherapy-induced skin reactions in cancer patients are mostly mild to moderate and manageable with supportive care, suggesting that early dermatologic intervention can improve patient outcomes without interrupting chemotherapy.

This study found that videodermoscopy enhances diagnostic accuracy for scalp and hair disorders beyond simple clinical inspection and reveals novel disease features that could improve clinical understanding.

This study found that specific genetic markers near the androgen receptor gene are significantly more common in men with male pattern baldness, suggesting a genetic component in its development.

In this mouse study, researchers found that dermal Wnt signaling/β-catenin activity is essential for fibroblast proliferation and initiating hair follicle formation by interacting with epidermal Wnt ligands.

This study found no significant genetic association between the 5α-reductase enzyme genes and male pattern baldness, suggesting a polygenic etiology rather than simple inheritance.

This review examines recent advances in understanding the pathophysiology and molecular mechanisms of androgenetic alopecia, highlighting two major genetic risk loci, but does not report new clinical findings.

This review discusses recent advances in understanding gender differences in skin and their implications for dermatologic diseases, but it reports no new experimental results; ongoing research is necessary for translating these insights into clinical practice.

This review explores finasteride's effects on neuroactive steroid levels and their potential influence on disorders like depression and alcohol withdrawal but reports no new clinical findings.

This review discusses the role of 5α-reductase enzymes in androgen action and related disorders, noting that their specific inhibitory drugs show promise for conditions like benign prostatic hypertrophy; it reports no new clinical results.

This review discusses the molecular mechanisms of androgens and androgen receptors in skin disorders, particularly androgenetic alopecia, and reports no new clinical results; it highlights potential areas for future treatment development.

This review outlines the classification, histopathologic presentation, and pathogenetic concepts of scarring and nonscarring alopecias, reporting no new clinical results and emphasizing the need for clinicopathologic correlation.

This article outlines the clinical features, evaluation, and treatment strategies for androgen excess in polycystic ovary syndrome, highlighting important diagnostic and management approaches but reporting no new research results.

This study found that the AR-E211 A allele is associated with a lower risk of both metastatic prostate cancer and androgenetic alopecia in an Australian population.

This paper argues that the cycling hair follicle serves as a valuable model for systems biology research, highlighting its potential for translational medicine.

In this study, researchers found that while the SNP rs6152 is strongly associated with androgenetic alopecia, the GGN triplet repeat is not, suggesting the causative variant is likely a non-coding one.

This review discusses the basic biology of apoptosis and its relevance to skin diseases, without presenting new research findings.

This study observed that in frizzled 6 null mice, initially uncorrelated hair follicle orientations develop into highly ordered patterns over time, suggesting possible mechanisms for biological structure patterning.

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 synthesizes recent findings on the hair follicle stem cell niche and its complex interactions, exploring potential pathways for developing new hair growth therapies; it reports no new clinical results.

Clinical studies reported that finasteride reduces scalp dihydrotestosterone levels and improves hair growth in men with androgenetic alopecia, supporting its role as a treatment option.

This article describes cases of unusual scalp whorl patterns, including triple parietal and right temporal whorls, that were associated with normal development, and discusses theories of hair whorl development.

This study reported that COVID-19 was causally associated with postinfectious hair shedding, which varied with disease severity, but hair completely recovered.

This article reviews the role of microRNAs as epigenetic modulators in dermatology but reports no new clinical findings.

This review focuses on the various skin symptoms associated with COVID-19 but reports no new clinical findings.

This review discusses persistent sexual and nonsexual adverse effects of the 5α-reductase inhibitor finasteride in younger men, including erectile dysfunction, low libido, and depression. It reports no new clinical results but emphasizes further research is needed.

This review discusses the impact of COVID-19 on the endocrine system and reports no clinical results; the authors emphasize the need to investigate endocrine damage during and after COVID-19 infection.

Understanding tissue self-organization can improve treatments for diseases and advance regenerative medicine.

The document concludes that correct diagnosis of alopecia types is crucial, scalp biopsies are important, and more research is needed.