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This review evaluates various biopsy protocols for alopecia diagnosis and discusses the authors' experience with the St John's protocol but presents no new clinical findings.

This study found that GFRα2 influences cell size but not survival or target innervation of Ret-positive low-threshold mechanoreceptors in mouse dorsal root ganglia, differing from its role in nonpeptidergic nociceptors.

This review explores hair signs related to nutrition disorders, such as thin and dyspigmented hair, without presenting new clinical findings; the authors highlight unknowns regarding underlying causes.

This systematic review identified several factors contributing to increased cardiovascular risk in women with polycystic ovary syndrome, including insulin resistance, obesity, inflammation markers, and microbiota alterations linked to elevated trimethylamine-N-oxide levels.

In this study, certain genetic variations in the ESR1 and ESR2 genes were strongly associated with polycystic ovary syndrome and related metabolic issues in Tunisian women.

This study found that in Alopecia Areata, increased non-anagen terminal follicles and peribulbar lymphocytic infiltrate are consistent histological features, even in cases that have progressed to scarring.

Understanding hair follicle structure is key for treating hair disorders and could help develop new treatments.

This review discusses the limitations of current hair classification systems and highlights the need for standardized reporting of key hair characteristics to improve study comparisons; it reports no new results.

This study found that melatonin treatment increased epidermal thickness, subcutaneous fat, and dermal-related factors in postmenopausal rats, suggesting benefits for skin structure after menopause.

This review assesses the role of vitamins A, B, C, and D in treating dermatologic conditions and highlights promising applications, although further research is required to confirm their efficacy.

The researchers reported that Gambogic Amide may prevent hair greying and promote hair growth by maintaining follicle pigmentation in vitro through activation and migration of melanocytes.

In this study, researchers successfully constructed a high-precision three-dimensional model of human skin dermis, revealing a detailed analysis of dermal porosity and pore diameter distribution, which can aid the development of biomimetic tissue-engineered skin.

This article outlines a protocol for scanning electron microscopy of murine skin and primary keratinocyte monolayers, providing a guide for sample preparation and examination.

This study found that engineered skin substitutes made with skin-derived precursors and epidermal stem cells can regenerate hair follicles after grafting into nude mice.

This study demonstrates that the transcription factor DLX5 can promote hair follicle stem cell differentiation through regulating the c-MYC/miR-29c-3p/NSD1 axis.

This study found that examining hair morphology provides deeper insights than classification, suggesting a potential population stratification artefact between hair curvature and cross-sectional shapes in the examined admixed African-European sample.

This article reviews advances in the histologic evaluation of alopecia and hair-related disorders, without presenting new clinical results.

In this study, researchers reported no statistically significant association between hair cortisol levels and either perceived stress or objective neuroendocrine stress measures in a predominantly male participant group.

SPRY1 deficiency in skin cells causes stem cells to move to the skin surface, leading to increased pigmentation.

This study found that women with frontal fibrosing alopecia have a significantly higher prevalence of rosacea compared to controls, particularly those with severe alopecia, and certain factors like perifollicular erythema, higher BMI, and lower progesterone levels were linked to increased rosacea risk.

This study observed that transverse sectioning of scalp biopsies may aid in diagnosing different types of alopecia by revealing distinct histopathological features like follicle miniaturization and specific inflammatory patterns.

Examining scalp biopsies in different ways helps better diagnose hair loss types.

This study found that high-dose pterostilbene potentially reduced prostate hyperplasia and had strong antioxidant effects in male rats with benign prostatic hyperplasia, suggesting it might be more effective than vitamin C and resveratrol in similar contexts.

This article reviews the differences between scarring and non-scarring alopecias and describes diagnostic methods but reports no new clinical findings.

This Mendelian randomization study suggests a causal link between higher BMI and increased risk of psoriasis, atopic dermatitis, and hidradenitis suppurativa, potentially due to elevated biomarkers such as triglycerides and C-reactive protein.

This study found that female pattern hair loss was common in postmenopausal women, with body mass index being a significant associated factor.

In this case study, scurvy was diagnosed in a middle-aged man on hemodialysis with food insecurity and undetectable vitamin C levels, highlighting the diverse risk factors and persistent challenges in managing vitamin C deficiency among patients with complex medical and social issues.

This study introduced a new high-throughput method for analyzing scalp hair morphology and found that quantifying hair form provides more accurate information than traditional classification based on racial categories, challenging the belief that cross-sectional morphology predicts hair curvature.

The document explains how hair follicles develop, their structure, and how they grow.

This study found that among Iranian women with PCOS, phenotype B displayed the highest prevalence of insulin resistance, significantly differing from other phenotypes, suggesting phenotype could guide management of PCOS-related insulin issues.