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This study found that fluid loss through rat skin increases with heightened skin activity and hair growth, while linoleic acid penetration during inactive conditions enhances water loss.

This abstract presents a clinical case of a woman with traction alopecia and discusses trichoscopic findings without reporting any new research results.

This article discusses abnormal fingerprints and their potential link to immigration delay disease, but it reports no new clinical findings.

This study found that decreased expression of the protein transglutaminase 3 with age may lead to reduced zinc levels in hair cuticles, contributing to hair thinning.

This study observed that the glassy layer of hair follicles in guinea pigs consists of thick collagen-type fibrils organized into two distinct arrays, whereas in young mice, the fibrils are thinner and develop between the outer root sheath and fibroblasts.

This study found that the EDAR 1540T/C genetic variant is significantly associated with hair thickness variation in Japanese populations, enhancing previously observed associations in Southeast Asian groups.

This study used ultrahigh-resolution optical coherence tomography to observe hair shaft structures, finding melanin granules absent only in white hair, which may explain color differences between black and white hair.

This study found that in mice, high-fat diets quickly reduce the skin's ability to transfer heat, while diets preventing obesity increase skin energy loss, suggesting the skin plays an active role in energy metabolism and lipid regulation.

This study observed that the molecular structure of keratins in hair fibres' discrete transition zone differs in breast cancer patients, with altered lipid ester absorption bands reverting post-cancer removal.

This paper presents a case study of a 21-year-old male with thyroid hemiagenesis, where the left thyroid lobe and isthmus are absent, and discusses the anomaly's potential clinical consequences based on existing literature.

This study observed that men with early-onset androgenetic alopecia had increased carotid intima-media thickness and insulin resistance, suggesting a potential link to premature atherosclerosis.

In this study, researchers reported that hair follicle stem cells maintain quiescence through a PIEZO1-dependent mechanism that senses mechanical forces and translates them into localized calcium influx, involving a transcriptional network that regulates cell adhesion and cytoskeleton-related genes.

This study established reference values for trichoscopic parameters of hair density and thickness in healthy Indian males, providing a foundation for future research.

This abstract provides no results; it is a website notification about cookies and general access to JAMA content.

Older East and Southeast Asian men need less hair density for hair restoration satisfaction, and natural hairline features should guide surgery plans.

This study reports a good correlation between the curvature of human eyelashes and the displacement of the neutral axis, influenced by the non-uniform thickness of the outer cuticle layer.

This study observed that Japanese women experience diffuse central hair loss after age 40, characterized by reduced hair density and thicker hair ratio rather than vellus-like hairs.

Hair diameter diversity is a key sign for diagnosing and managing male pattern baldness.

In this observational study, hair density was found to vary with age, as measured in subjects from a dermatology outpatient department, with males showing a mean unit density of 104.78 and females 108.36.

This study found that thymosin β4 is highly expressed in multiple human tissues and may play a role in organ function and angiogenesis through co-localization with VEGF.

This review discusses how hair follicle light sensitivity is linked to mesenchymal remodeling and suggests that this connection influences photoepilation outcomes and optimal treatment strategies, reporting no new clinical results.

Double trichophytic closure effectively treats thin scalp scars and reduces patient costs.

This study found that in Japanese, German, and American females, changes in hair lipid patterns with age may reflect alterations in sebum excretion and affect hair texture.

In this study, thymosin beta4 over-expression in transgenic mice was linked to accelerated hair growth and abnormal tooth development, suggesting roles in hair and tooth physiology.

This study found that obese patients experienced similar weight loss on a very low-calorie diet and total fast, but the diet was associated with fewer complications.

In this study, 30% of a diverse female sample reported experiencing what they perceived as excessive hair shedding, often beginning abruptly and without an attributable cause.

This study found that trichothiodystrophic hair shows reduced and disoriented protein deposition in follicles, with both the cuticle and cortex affected, providing localized structural insights into keratin abnormalities.

This study found that 27% of women with polycystic ovary syndrome reported perceived scalp hair thinning, which was associated with factors like advancing age, subjective hirsutism, disturbed sleep, smoking, abnormal glucose tolerance, and meal skipping.

This case report describes a 15-year-old Japanese girl with juvenile hypothyroidism who developed hypertrichosis and hyperkeratosis due to a keratin plug inhibiting hair growth on her back and arms.