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This article discusses the discovery of the first known menstruating rodent, the spiny mouse, and proposes that a significant increase in progesterone during the luteal phase is a unique feature of menstruating species, but reports no new experimental results.

This review discusses the dermatology of nonhuman primates and emphasizes the need for a cohesive approach to study and report their dermatologic diseases, without assuming similarities to human or other veterinary conditions.

This review found that while finasteride may improve female pattern hair loss and hirsutism in women, more long-term studies are needed to optimize its use and assess potential consequences.

This review explores potential new roles for Merkel cells, including involvement in magnetoreception, fingerprint formation, and transmitting environmental information, but reports no experimental results.

This study found that recombinant hepatitis B vaccine may increase the risk of alopecia areata onset in older predisposed mice but larger trials suggest this effect might lie within normal variation.

Human hair follicles have a unique metabolism that changes between growth stages and may contribute to baldness.

This study found that three months of oral finasteride treatment significantly decreased dihydrotestosterone levels and hair growth in hirsute women without negatively affecting gonadotropin secretion.

This review examines the diverse roles of SRD5α enzymes across species, focusing on their involvement in steroid synthesis, sexual development, and various physiological processes, but reports no new clinical results.

This review discusses how certain genetic, infectious, and metabolic conditions might influence disease severity and highlights the potential for new therapies, but it presents no new research findings.

This review discusses the developmental and psychological significance of skin and emphasizes the need for considering stress effects when evaluating and treating psychocutaneous diseases, without reporting new clinical results.

This study found that finasteride impaired stress reactivity and reduced exploratory and impulsive behaviors in rats, potentially by altering the hypothalamus-pituitary-adrenal axis function.

This review examines how caloric restriction could promote autophagy to rejuvenate aging stem cells, though the precise molecular mechanisms remain unclear.

This article reviews treatment strategies for ovulation induction in women with PCOS seeking pregnancy, emphasizing lifestyle changes and pharmacological options, and reports no new clinical findings.

Some chemicals absorbed through the skin can cause serious health problems.

This study found that maternal Nano-Se supplementation in cashmere goats improved antioxidant status and promoted secondary hair follicle development in fetuses at 110 days.

This study found that exposure to finasteride impaired spermatogenesis in male Xenopus laevis by affecting sex-specific feedback mechanisms in the hypothalamus–pituitary–gonad axis.

This study found that surgical normalization of testosterone in hyperandrogenic women with ovarian androgen-secreting tumors did not significantly change body weight or insulin sensitivity after 12 months.

This paper discusses the link between polycystic ovarian syndrome (PCOS) and health issues like infertility and cardiovascular diseases, caused by both genetic and environmental factors, but reports no new clinical findings.

This article compares the immunology of cancer and the placenta and suggests that immunotherapy for pregnant cancer patients could be feasible with careful exploration, though no new clinical results are reported.

This study found that older women with polycystic ovarian syndrome are more likely to experience metabolic syndrome and have different metabolic and reproductive profiles than younger women.

In studying wild meerkats, researchers observed that matriarchs with high androgen levels during late gestation exhibited increased dominance and aggression, affecting both their behavior and their offspring's aggression.

This study found that minoxidil induced cardiovascular toxicity in marmosets at higher doses than those affecting dogs, potentially due to the drug's exaggerated pharmacological effects.

This article reviews pharmacologic treatments for pattern hair loss and emphasizes integrating them with surgical and nonmedical options, but it does not present new clinical findings.

This study found that finasteride significantly reduced dihydrotestosterone levels but did not provide clear evidence of impaired libido or erectile function compared to placebo in men.

This review discusses potential treatments for androgen excess in polycystic ovary syndrome and reports no new findings, emphasizing the importance of individualized antiandrogenic management to minimize side effects.

Gene therapy shows promise for enhancing physical traits but faces ethical, safety, and regulatory challenges.

This study found that MENT is 10 times more potent than testosterone in suppressing gonadotropins and contributing to anabolism in monkeys, with a potentially wider therapeutic index for human androgen replacement and male contraception.

This study reviews recent advancements in understanding caspases, highlighting their roles beyond apoptosis in cancer, inflammation, and neurological disorders, and discusses the potential and challenges of targeting caspases for therapeutic purposes.

This study found that human placenta hydrolysate reduced SARS-CoV-2 replication and improved immune response in ferret models, suggesting potential as a COVID-19 treatment.

Androgen receptors found in monkey scalps, similar to humans, affect hair growth.