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This study found that social hair plucking in captive rhesus macaques is linked to alopecia and possibly relates to stress in females.

This study found that a high percentage of patients reported experiencing hair loss following a COVID-19 infection, with more severe cases linked to more significant hair loss.

This review indicates that estrogen loss during menopause significantly impacts skin health, while estrogen treatment may increase skin collagen, thickness, and elasticity, though effects on other skin characteristics are inconsistent.

This review describes the diagnosis and management challenges of telogen effluvium, a type of hair loss triggered by physiological stress, and summarizes current understanding of its mechanisms and treatments while recommending future research directions.

This research indicates that KCED-1 and KCED-2 effectively induce adiponectin production in human subcutaneous fat, which may promote hair growth on the scalp.

This study reviews current research to better understand how various environmental and lifestyle factors, collectively known as the exposome, impact hair health and aging, acknowledging that the detailed mechanisms remain partially understood.

This study used melamine formaldehyde particles to measure a pH gradient along the hair shaft, showing a significant pH decrease from the hair sheath to the external shaft.

This review synthesizes data suggesting that managing inflammation and oxidative stress may enhance the effectiveness of PRP therapy for hair regeneration, though standardizing PRP protocols remains challenging.

This review examines physiological changes and dermatoses during pregnancy and reports no clinical results, highlighting the importance of recognizing these conditions for appropriate management.

This review indicates that most studies reported positive effects of platelet-rich plasma injections for treating androgenic alopecia, with no major side effects, suggesting it may be a safe alternative to Minoxidil and Finasteride.

This study indicates that transient Msx2 expression is critical for wound-induced hair follicle neogenesis, with distinct phases in the healing process essential for epidermal competence and hair regeneration.

This study indicates that vitamin D3 administration may protect rat hair follicles from radiation-induced damage, as evidenced by maintained follicle numbers and increased Vitamin D receptor activity in treated skin.

This study indicates that the EQ-5D-5L may not effectively capture the burden of alopecia areata on patients' health-related quality of life, and suggests that alternative measures might better assess treatment benefits related to hair regrowth.

This study indicates that higher thyroid-stimulating hormone levels may be linked to post-COVID-19 hair loss in women, while ferritin levels showed no significant correlation.

This review examines the physiological role of androgen conjugates in cutaneous androgen metabolism and questions their association with hirsutism, without presenting new clinical findings.

This review discusses the physiological basis, history, and current development of male hormonal contraception, highlighting its potential risks and benefits, but reports no new research findings.

This review discusses genetically-engineered mouse models for studying melanocytes and reports no new experimental findings; it emphasizes their potential to address unanswered questions in melanoma biology.

This article reviews the physiological skin changes and unique dermatoses in pregnancy, discussing their causes and management, but reports no new clinical findings.

This case report indicates that retinoblastoma can occur in a microphthalmic eye and recommends using multiple imaging techniques due to potential differences in calcification visibility.

This review summarizes the anatomical and physiological aspects of human hair and its clinical significance, but does not report new research findings.

This study identified new potential targets and indications for several marketed drugs using in silico profiling, suggesting opportunities for drug repositioning.

This article reviews dermatological research on black skin, emphasizing its unique physiological characteristics and common conditions like acne and eczema, and suggests more focus is needed on its structural differences and clinical responses.

This review discusses skin appendages like hair and nails as indicators of local and systemic pathologies, emphasizing conditions such as inflammatory diseases and infections, but reports no new clinical findings.

This study found that glucose starvation and hypoxia are physiological triggers of ER stress in in vitro differentiated adipocytes, rather than high concentrations of saturated fatty acids, cholesterol, or proinflammatory cytokines.

This review provides a comprehensive overview of melatonin's physiological roles, effects, and clinical implications, but it does not present new experimental findings.

This review discusses how circadian clocks may influence diverse physiological functions beyond their established role in daily timekeeping, but it reports no new experimental findings.

This study found that free testosterone levels were a more sensitive indicator of hyperandrogenism in women with acne than total testosterone levels.

This study found that steroid hormones influence the quality indicators of fresh and cryopreserved stallion sperm, with testosterone negatively correlated with motility and estradiol positively correlated with survival rate.

This source redefines anti-aging medicine as "precision healthspan pharmacology," suggesting that rather than just treating diseases or accepting aging, pharmacology should focus on expanding functional capacity across various health domains, while emphasizing the importance of fundamental physiological and psychosocial health factors.

This study found that while men's facial appearance, specifically attractiveness and masculinity, correlated with cardiometabolic indicators like insulin resistance and triglycerides, these links disappeared after adjusting for factors such as age, adiposity, and testosterone levels, suggesting that facial cues do not reliably indicate metabolic health.