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This article discusses the history taking and clinical examination process for diagnosing alopecia and outlines a diagnostic approach, noting that it reports no new clinical results.

This review discusses telogen effluvium, a common form of hair loss, and reports no new clinical results; the authors outline possible causes, typical prognosis, and management strategies.

This article reviews the clinical presentation and histopathologic features of alopecia areata and proposes a hypothesis for its development, but it reports no new clinical results.

This review examines the adaptive value and mechanisms of seasonal coat colour moulting in birds and mammals, highlighting the challenge of camouflage mismatch and the necessity for evolutionary adaptation under climate change.

This review examines current knowledge on human epithelial hair follicle stem cells, their markers, and outlines challenges in translating findings from murine studies to human research, but does not report new experimental results.

This review discusses current knowledge and management strategies for chemotherapy-induced alopecia, highlighting the need for better research prioritization and providing patient support materials, but reports no new clinical results.

This review discusses trichoscopy as a noninvasive, effective technique for diagnosing various hair loss conditions and monitoring treatment, highlighting its potential to reduce scalp biopsy necessity.

This study found that androgenetic alopecia is the leading cause of hair loss in adolescents and may indicate endocrine disorders, emphasizing the need for accurate diagnosis.

This study concluded that polymeric nanoparticles effectively targeted hair follicles for drug delivery, but the organogel formulation did not enhance their penetration into the hair shaft.

This study visualized mitochondrial metabolism in cultured bovine hair follicles and plucked human hairs, finding that ROS and mitochondrial polarization correlate in specific hair follicle regions, particularly near keratin deposition sites.

In this study, synthetic vitamin D3 analogs stimulated hair growth and formation of normal hair follicles in nude mice, unlike the natural form 1,25 dihydroxyvitamin D3.

This study found that microRNA levels in hair shafts were significantly decreased in scleroderma patients compared to normal subjects, suggesting they may serve as effective biomarkers.

This study explored the regenerative abilities of the African spiny mouse's skin, revealing more robust wound-induced hair follicle neogenesis compared to laboratory mice and highlighting unique features of its hair and wound response.

This case series reports telogen effluvium in three patients following severe Sars-Cov-2 infection and suggests a potential association that merits further investigation.

This review evaluates dihydrotestosterone's role in androgenic alopecia and proposes a model suggesting that chronic scalp tension and inflammation contribute to hair follicle miniaturization, identifying fibrosis, calcification, and tension as treatment targets.

This study provides evidence that Cyclosporine A inhibits catagen development in human hair follicles, suggesting different underlying mechanisms from those observed in rodent studies.

This review discusses the most common types of alopecia in adolescents and emphasizes the importance of psychosocial support, but reports no new clinical findings.

This review discusses the role of immune cells in mammalian hair cycle control and highlights their potential relevance to human hair cycling disorders, reporting no new clinical findings.

This review explores the skin regeneration process in spiny mice and highlights differences from laboratory mice, focusing on potential molecular and immune system roles without reporting new experimental results.

This study suggests that moderate elevated prolactin levels are unlikely to cause significant hair loss in women, but still warrant further diagnostic investigation to rule out a prolactin-producing pituitary tumor.

This study observed that electro-acupuncture reduced global DNA methylation and DNMT3b expression in a PCOS-like rat model, suggesting a role of hypothalamic DNA methylation in PCOS development and treatment.

This article reviews the genetic and potential environmental factors in alopecia areata's pathogenesis and suggests a polygenic model but reports no new clinical findings.

In this study, early treatment with nitazoxanide, ivermectin, or hydroxychloroquine, combined with azithromycin, was associated with reduced hospitalizations, respiratory complications, and deaths in early-stage COVID-19 patients compared to untreated controls.

This study reports the first cases of loose anagen hair syndrome in dark-skinned children from Upper Egypt, noting it may be under-diagnosed and primarily causes cosmetic concerns without affecting general health.

In their 1957 study, Neuman and Neuman suggested that magnesium deficiency may inhibit the ion exchange process required for calcium ions to enter extracellular fluid, potentially affecting calcium mobilization.

This article discusses the features and increasing prevalence of frontal fibrosing alopecia, a type of scarring hair loss, and reports no new clinical results.

This study attempts to classify histomorphologic reactions to drugs to aid in diagnosing drug eruptions, which are common in hospitalized patients but lack specific diagnostic features.

This study identified key genes and pathways involved in the seasonal hair cycle regulation of yak, uncovering molecular mechanisms that may aid in understanding their adaptation to alpine environments.

This study confirms that scalp hair follicles in Chilean subjects exhibit seasonal variations, with a higher percentage of follicles in the telogen (resting) phase during the summer compared to the winter.

This article discusses the challenges in diagnosing and treating diffuse hair loss in women and emphasizes the importance of distinguishing between androgenetic alopecia, chronic telogen effluvium, and psychogenic pseudo effluvium, but reports no new clinical results.