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Humans lost body hair relatively recently in evolution.

This study found that trilostane was effective in resolving symptoms such as polyuria and polydipsia in many dogs with pituitary-dependent hyperadrenocorticism, with significant hormone level reductions observed.

This study found that cathepsin L deficiency in mice led to significant abnormalities in hair follicle development and cycling, including disrupted hair shaft outgrowth and premature hair growth phase entry.

This review discusses how increased gene copy number for telomerase components may contribute to telomerase up-regulation in cancer cells, although the exact mechanisms are not fully understood.

This study estimates that young adults have about 230,000 tactile afferent fibers innervating their skin, with density varying by region and decreasing with age.

Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.

This review argues that the immunocompetence hypothesis, linking masculine facial features to attractiveness through health benefits, lacks sufficient evidence and sidesteps alternative explanations.

This study observed that autologous platelet-rich plasma treatment improved hair count and density in areas with androgenetic alopecia compared to placebo, with differing outcomes based on the PRP collection device used.

This review discusses the potential role of vitamins and minerals in managing non-scarring alopecia but reports no clinical results; the authors advocate for further controlled trials to explore these relationships.

This study found that disrupting Adam10 in the epidermis led to severe skin and multi-organ abnormalities, implicating Adam10 as crucial for proper Notch signaling and skin maintenance.

This research found that feather pattern formation in birds is regulated by a mechanochemical system involving fibroblast growth factor and bone morphogenetic protein signaling, which is altered in the flightless emu and ostrich.

In this study, researchers used genetic data from over 52,000 men to identify over 250 genetic loci associated with severe hair loss and developed a predictive algorithm for determining hair loss risk.

In this study, human dermal fibroblasts were identified as natural host cells that support productive Merkel cell polyomavirus infection, and the MEK antagonist trametinib was introduced as an effective inhibitor to control the virus.

This review explores how adipose-derived stem cells contribute to skin homeostasis and highlights recent advances in their clinical applications in dermatology, but it reports no new clinical results.

This study found that forehead feminization significantly contributes to recognizing female gender and reported that feminizing forehead cranioplasty is a safe procedure with a low complication rate.

This article reviews the complex pathophysiology of polycystic ovary syndrome, highlighting how genetic, hormonal, and environmental factors contribute to its diverse symptoms, and reports no new results.

This review explores recent findings on regulatory T cells, focusing on their unique functions in non-lymphoid tissues and new mechanisms of action, but presents no original clinical results.

The study found that prolactin expressed in human scalp hair follicles acts as an autocrine modulator, inhibiting hair growth and promoting hair follicle regression, which may contribute to hair loss in hyper-prolactinemia patients.

This review discusses the role of the circadian clock in skin functions such as cell proliferation and UV protection and reports no new results; the authors note its potential in studying immune regulation and seasonal behaviors.

This review discusses current treatment options for liver hydatidosis, noting the potential benefits and limitations of chemotherapy and highlighting the need for more clinical trials to prevent recurrent disease; it reports no new findings.

This review summarizes recent advances in Treg cell biology, focusing on Foxp3's role in immune regulation and therapeutic reprogramming for immune dysregulatory disorders, but reports no new clinical results.

This study found that in mice, dermal adipocytes initiate inflammation and aid repair after skin injury by releasing lipids, suggesting a role in managing inflammatory diseases and impaired wound healing.

This study reports that miR-302 promotes pluripotency by inhibiting NR2F2 and indirectly regulating OCT4 in stem cells, enhancing reprogramming efficiency when added to traditional factors.

This study found that expressing certain PIN proteins in Arabidopsis root hairs inhibited growth by decreasing auxin levels, while PIN5 slightly stimulated growth, demonstrating differential effects on auxin transport.

This review discusses the potential autoimmune pathogenesis and various contributing factors of alopecia areata, noting that current treatments remain palliative while emerging therapies offer new hope for extensive cases.

This study found that C8/144B antibody exclusively binds to the hair follicle bulge and not the epidermal stratum basale, with cytokeratin 19 serving as a key marker of certain basal keratinocytes that decrease with age.

This study highlights that the ACIP strongly recommends COVID-19 vaccination and booster doses for pregnant women, those breastfeeding, or trying to conceive, due to the safety of non-live vaccines in these groups and the protection they also offer to infants.

This study found that approximately 75% of women with PCOS exhibited hyperandrogenemia, with free testosterone being the most frequently elevated marker.

This study reports previously unrecognized cellular complexity in growing mouse incisors, suggesting species-specific differences in cell dynamics between mouse and human teeth related to growth and differentiation.

Scientists turned rat thymus cells into stem cells that can help repair skin and hair.