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In this study, mice exposed to prolonged space conditions demonstrated skin atrophy, altered hair follicle cycles, and significant changes in the gene expression associated with skin muscle health.

In this study, HIIT increased adiponectin levels and improved cholesterol profiles in women with PCOS, but did not change leptin or vaspin levels.

This study found that injecting keratin into the skin of mice promoted hair growth, potentially through keratin's interaction with hair-forming cells and changes in the microenvironment.

In this study, bromocriptine's inhibition of prolactin promoted secondary follicle development during anagen in cashmere goats, likely via changes in specific gene expressions, despite not affecting fiber characteristics or primary follicle activity.

In this study, researchers found that two dominant haplotypes in the EDA2R/AR intergenic region have likely been shaped by demographic changes and selection during human evolution, particularly notable in African and non-African populations.

In this study, researchers developed a three-dimensional ultrastructural analysis tool using serial block-face scanning electron microscopy to reveal detailed nerve networks and muscle structures in human skin tissues, demonstrating the technique's potential to study structural changes in aging or disease.

This study provides a comprehensive analysis of anabolic-androgenic steroids, reporting that their use enhances muscle mass but is associated with significant health issues including cardiac muscle hypertrophy, liver disease, and changes in gender characteristics, emphasizing the need for patient awareness of these risks.

This study found that COVID-19 infection disrupts spermatogenesis, alters testicular cell populations, and may impact male fertility by causing long-term changes in testicular function and reduced sperm quality, as observed even in patients who have recovered from the acute phase of the infection.

The researchers observed that in cichlid fishes with different dental structures, tooth replacement accelerated more than three times following tooth extraction, alongside distinct changes in gene expression and cellular interactions over one week, providing insights into tooth regeneration mechanisms in vertebrates.

This review discusses the crucial role of sex hormones in maintaining and influencing skin health, suggesting ongoing research into hormonal treatments for skin conditions due to life stage changes.

This research explores if COVID-19, analogous to SARS-CoV, may result in long-term pulmonary fibrosis in recovered patients, although current evidence on the persistence or resolution of lung changes over time remains unknown.

This review explores how radiation-induced hair graying can be used as a model to study the mechanisms behind hair graying, focusing on cellular senescence and potential therapeutic targets to address age-related changes. Results are not provided.

This study highlights that restrictive abortion laws, financial barriers, and lack of sexual education are major issues in countries like Poland, the USA, and Italy, suggesting needed changes such as improved sex education, access to contraception, and international networks for legal abortion.

This study observed early cardiac effects in young minipigs following high-dose doxorubicin chemotherapy, with a decrease in heart function and changes in cardiac MRI measurements compared to controls.

This article reviews the impact of nutritional deficiencies on hair health, detailing how they can cause structural abnormalities, pigmentation changes, or hair loss; it presents no new clinical findings.

This study found that altering neonatal neurosteroid levels affected anxiety and aversive learning in adult rats, possibly through changes in hippocampal GABAergic functions.

This review discusses the symptoms, causes, and treatment options for polycystic ovary syndrome and reports no new results; the authors highlight the role of lifestyle changes, medications, and fertility treatments.

In this study conducted on mouse fetuses, valproic acid was found to reduce Sonic Hedgehog expression in the skin and hair follicles, but the inclusion of vitamin E helped mitigate this effect, supporting its potential role in managing valproic acid-induced changes.

This study observed that in aged mouse skin, there was an increase in IL-17-expressing T helper cells, γδ T cells, and innate lymphoid cells, and blocking IL-17 signaling reduced skin inflammation and delayed age-related changes, suggesting it as a potential target to mitigate skin aging.

Genetic changes in mice help understand skin and hair disorders, aiding treatment development for acne and hair loss.

This review suggests systemic changes in polycystic ovary syndrome may increase the risk of neurodegeneration, potentially linking it to Alzheimer's disease through common pathways affecting tryptophan metabolism.

This review discusses the changes in hair follicles with aging, particularly graying due to decreased melanocyte activity, and suggests potential for hair repigmentation under certain conditions, but reports no new results.

This study found that mitotane causes specific changes in cortisol metabolism, including increased excretion of certain metabolites, which may influence cortisol bioavailability without hindering early detection of adrenocortical carcinoma recurrence.

This study observed that common skin changes in patients with type 2 diabetes included peripheral hair loss, xerosis, anhydrosis, and nail alterations, underscoring the importance of controlling blood sugar and foot care to prevent neuropathy complications.

This study concluded that dietary changes alter serum progesterone and estradiol levels in late gestation ewes, likely due to metabolism rather than changes in placental steroid synthesis.

This study examined proteomic changes in Inner Mongolia cashmere goat skin, finding 631 proteins differentially regulated during hair growth stages; key keratin proteins, crucial for hair follicle development, were localized in secondary hair follicles.

This study analyzed proteomic changes in Jiangnan cashmere goats' secondary hair follicles and found that the PLIN2 gene significantly impacts hair follicle growth cycles by affecting dermal papilla cell proliferation, offering insights into breeding strategies to enhance cashmere yield.

This review discusses the relationship between skin microbiome changes and conditions such as ageing and skin disease, emphasizing the need for further research, but reports no new findings.

This review discusses the effects of hormonal changes on hair follicles, concluding that hormones like androgens and estradiol significantly influence hair growth and cycle, while the roles of other hormones are still being researched.

This review explores the role of aging-related changes in skin, discussing how impaired skin barrier function may contribute to systemic inflammation, or "inflamm-aging," which in turn could impact the broader decline in organ and tissue function seen in aged individuals.