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This study found that weight control efforts among people in their 20s and 30s were associated with decreased skin moisture, elasticity, and increased hair loss and thinning.

The researchers reported that yak hair fibers undergo macromolecular conformational changes and partial slippage of macromolecules during stretching, confirming this as the main stretching mechanism when the stretching ratio is large.

Hair diameter diversity helps assess hair loss, but its standard measure varies by individual and ethnicity.

This study explores whether trimming hair grafts to "chubby," "medium," or "skinny" affects follicular unit graft survival in hair transplantation.

This study observed that ultrastructural changes like lamellar bodies and electron-dense granules in the stratum corneum may aid in the early diagnosis of Netherton syndrome.

Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.

Substance P helps restore skin thickness and cell renewal when sensory nerves are reduced.

In this study, the researchers measured the specific density and dielectric permeability of human hair by analyzing the attenuation of millimeter radiowaves and accounting for multiple reflections within the hair layer.

This study found that centrosome ablation in developing epidermis triggers cell surveillance pathways, resulting in thinner skin and halted hair follicle growth, while later stages of epidermal growth may operate independently of basal progenitor division orientation.

This study found that as hair loss severity increased in women with female pattern hair loss, the number of vellus follicles also rose, indicating miniaturization of terminal hair follicles.

This meta-analysis reports that intrauterine autologous platelet-rich plasma infusion improved outcomes like endometrial thickness and clinical pregnancy rate in women with thin endometrium, but further large-scale trials are needed to confirm these findings.

A new computer tool quickly measures hair thickness differences in people with common types of hair loss.

In this study, PINCH-1 gene loss in mouse epidermis led to detachment from the basement membrane, thickened skin, and hair loss, with findings suggesting PINCH-1 plays a role in keratinocyte adhesion through both ILK and EPLIN pathways.

This case study describes a 14-year-old girl with pili annulati who had fragile hair, which may be due to cavities within the hair shafts as seen in electron microscopic examinations.

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.

The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.

This study found that HLA-B*57 and HLA-Cw*06 were associated with increased risk of psoriasis vulgaris, while KIR2DL2 was more prevalent in controls, suggesting a protective effect.

This study concluded that 12 sessions of fractionated thulium laser treatment improved hair density and thickness in patients with pattern hair loss, with further benefits from adding a growth factor solution post-treatment.

This study identified a new class of shed hair in young women that could impact future hair research and suggests that the concept of hair miniaturization in androgenetic alopecia may need revision.

Achieving original hair density with transplants is unrealistic; skilled practitioners are essential for the best results.

Male hair loss is mainly due to thinner hair, not less hair.

This study found that using a hair removal laser can effectively reduce hair thickness in the hairline of Asian women with thick donor hairs from previous hair transplants, improving hairline appearance with mild, transient side effects.

This study found that in a mouse model, betamethasone dipropionate reduced epidermal thickness while fish oil unexpectedly increased it, validating optical coherence tomography as an effective measurement tool.

Measuring the variety in hair thickness can help diagnose male pattern baldness in Korean men.

This article provides an overview of hair density, hair diameter, and the prevalence of female pattern hair loss but reports no new clinical findings.

This study found that quantitative trichoscopy is a simple and effective method for determining hair density and thickness in Egyptians, establishing baseline values for clinical hair loss investigations.

This study found that the cross-section trichometer is a promising tool for measuring hair mass index with high reproducibility, suggesting potential clinical and research applications.

Hair shaft miniaturization leads to hair follicle stem cell loss, suggesting Piezo1 as a potential treatment target.

This article discusses the emotional impact of post-operative telogen effluvium on women undergoing hair transplantation and reports no new empirical findings.