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This study found that while male COVID-19 patients in Brazil exhibited more severe symptoms and required more intensive care than females, the difference in risk of death was relatively small.

Light skin shows more inflammation from sun exposure than dark skin.

This study reports that actively proliferating Lgr5+ stem cells in hair follicles do not appear to drive tumor formation in experimental skin carcinogenesis.

This study found that Lgr6+ stem cells in mice are not major initiators of UV- or chemically induced skin tumors.

In this study, AMACO was found to be non-essential for the formation or function of anchoring cords in mice, despite its presence in the structure.

This research investigates apoptosis and bcl 2 expression in hair follicles cultured with and without biotin, but it reports no new results.

This case report describes an 8-year-old child with penile tourniquet syndrome due to a constricting thread, which led to partial distal penile amputation and required surgical intervention.

Men using 5-alpha reductase inhibitors for prostate issues may have a slightly higher risk of blood clots.

This article reviews cultural differences in the incidence of hair-thread tourniquet syndrome and finds it may be less prevalent in Iranian children compared to Europe, possibly due to social and cultural factors.

This study concluded that a polarized-light handheld dermatoscope attached to a digital camera is a practical and useful tool for diagnosing different types of alopecia.

This study found that among women with frontal fibrosing alopecia, 100% showed dermoscopic elements suggestive of the condition, with perifollicular erythema often indicating disease activity.

This article is a letter to the editor about fibrosing alopecia in a pattern distribution and reports no new research findings.

This study found that androgenetic alopecia was the most common cause of frontal hairline recession in Egyptian female patients, supporting the use of trichoscopy as a noninvasive diagnostic tool.

This study found that oligo-amenorrhea/menstrual irregularity in women is associated with an increased risk of overall cardiovascular disease, coronary heart disease, and myocardial infarction, while evidence linking hyperandrogenism or polycystic ovaries to cardiovascular disease remains mixed or unexplored.

This study strongly suggests that a distinct form of hereditary localized alopecia in a Chinese family is linked to a novel locus on chromosome 2p25.1–2p23.2.

This case study highlights a testosterone- and cortisol-secreting adrenal oncocytic neoplasm in an 18-year-old woman, illustrating the role of surgical excision in resolving hyperandrogenism and restoring menstruation.

This source reports findings from a case study detailing hair loss in two female patients, published in the JDDG: Journal der Deutschen Dermatologischen Gesellschaft, emphasizing that specific diagnostic outcomes or treatment results are not included in the summary.

This article discusses the potential effects of exogenous testosterone, highlighting that its impact on prostate cancer progression, cardiovascular health, and behavior remains uncertain and needs further investigation.

In this study, researchers found that hepatitis C virus infection is a significant risk factor for sporadic porphyria cutanea tarda, suggesting familial cases might be more prevalent in areas with low hepatitis C infection rates.

This review examines different types of skin injury in athletes, including mechanical and environmental causes, and the impact of performance-enhancing drugs, but reports no new clinical findings.

This paper presents two cases of hair tourniquet syndrome and suggests washing baby socks inside out as a potential preventative measure.

This article explores the possibility that veterinarians may test positive for ketamine due to occupational exposure, but it reports no specific new findings.

This review discusses the potential of using human hair proteomics for non-invasive diagnostic and forensic applications but reports no new results; the authors highlight areas needing further research.

Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.

This case report describes the first known instance of congenital atrichia combined with situs inversus and mesocardia in a 2-year-old male.

The clinical signs of Adams-Oliver syndrome can vary greatly, even among family members.

This article provides an overview of ovulation disorders, discussing ovarian, hypothalamic, and endocrine defects but reports no new clinical findings.

In this study, several dermoscopic features such as hair diameter diversity, brown peripilar sign, and focal atrichia were frequently observed in both male and female androgenetic alopecia patients, highlighting these as potential AGA indicators.

This study found that absence of the vitamin D receptor in keratinocytes impairs canonical Wnt signaling and leads to alopecia due to defects in keratinocyte stem cells.

IL-1 receptor absence in mice leads to skin cysts and changes in immune response after UVB exposure.