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In this study, DHT and calculated free DHT were linked to higher risks of incident cardiovascular disease and all-cause mortality in elderly men, while total testosterone and calculated free testosterone showed no such associations.

This study found that Cacumen platycladi extract significantly promoted hair growth and reduced dihydrotestosterone levels by inhibiting 5α-reductase activity in an androgen-sensitive mouse model.

Testosterone may both worsen and protect against COVID-19 effects in men.

This study reported that pulverizing hair samples significantly improves the precision of testosterone measurement, with higher testosterone concentrations observed in men than in women.

This study suggests that in rat skin, testosterone itself may play a more significant role in androgen action than 5α-dihydrotestosterone, unlike in the prostate where 5α-DHT is more dominant.

This study established that a human epidermal model can be utilized to assess 5alpha-reductase activity and evaluate enzyme modulators, such as finasteride, for dermatological applications.

In this case report, a male patient with hair loss showed unusually high testosterone levels without other symptoms or supplement use; follow-up testing revealed normal levels, showcasing the importance of considering testosterone-protein binding differences and using equilibrium dialysis for accurate assessment.

This study observed that testosterone concentrations in hair segments show some stability over time, but are influenced by factors like sebum integration, hair washing frequency, and individual hair growth rates.

This study found that aqueous extract of Pueraria mirifica, when administered to a rat model, significantly reduced prostate weight, prostatic index, and serum dihydrotestosterone levels, while also improving prostate histomorphology, suggesting its potential as an anti-BPH treatment.

This study reports that low levels of HDL cholesterol and IGF-1 were associated with a higher risk of hair loss in middle-aged women, but causal relationships remain uncertain.

In this case-control study, researchers observed that women with female pattern hair loss exhibited significantly lower serum IGF-1 levels than controls, while IGFBP-3 levels showed no significant difference, suggesting a potential role for IGF-1 in the condition.

This study found that terminally differentiated effector memory Vδ1T-cells and their cytotoxic activation markers were elevated in alopecia areata patients, suggesting these cells may contribute to its early pathogenesis.

This study found that low-dose finasteride treatment in men with premature androgenetic alopecia decreased levels of 5α-reduced steroids, which may be linked to increased depression symptoms.

This commentary discusses the potential use of testosterone therapy for various conditions in women and reports no new clinical results; the authors advocate for more discussion and research in this area.

This review discusses the free hormone hypothesis for measuring "free" testosterone and critiques its theoretical basis and clinical application, noting it lacks critical empirical testing and has inconsistent utility in assessing androgen status.

In this animal study, administering testosterone alongside a 5α-reductase inhibitor counteracted testosterone's effects on prostate enlargement while preserving its beneficial effects on muscle and bone.

Finger length ratios are not linked to the number of specific gene repeats affecting testosterone sensitivity.

This review examines the methods and challenges in androgen laboratory diagnostics, discussing their advantages, limitations, and evolution; it presents no new experimental results.

This review discusses the changes in androgen levels with age in women and the potential benefits of testosterone replacement therapy as part of hormone replacement therapy for postmenopausal women, but it reports no new clinical results.

This study reports that incomplete information in a reverse supply chain can lead to efficiency losses, but a two-part tariff contract for the remanufacturer may improve performance by eliciting private information from collectors.

This study found that acne prevalence in late pubertal boys was 85%, compared to 15% in girls, with higher DHT levels noted in acne-affected adolescents compared to those without.

High doses of cyclosporine A increase testosterone conversion, possibly boosting hair growth.

Blood AMH levels are higher in women with PCOS than in those with other similar conditions.

This chapter reviews the biosynthesis, mechanism of action, and therapeutic effects of testosterone and related androgens, but reports no new research findings.

This article explores evidence for a rational strategy in the endocrine and metabolic management of patients with excess body hair or scalp loss and reports no new clinical results.

This review discusses the role of 5α-reductase enzymes in androgen action and related disorders, noting that their specific inhibitory drugs show promise for conditions like benign prostatic hypertrophy; it reports no new clinical results.

This review discusses the importance of androgen production and metabolism in hyperandrogenism, the use of specific serum markers for diagnosis, and the need for improved assays for clinical testing, but reports no new results.

In this study, acne severity in females was strongly associated with inflammatory lesion count and moderately associated with androgens, especially DELTA 4 and DHEAS promoting acne and SHBG reducing it.

This study found that administering the gut bacterium Thauera sp. strain GDN1 to mice significantly reduced their serum androgen levels, indicating gut bacteria may influence androgen metabolism.

Testosterone therapy can help improve mood, sexual function, and bone health in women with low androgen levels, but more research is needed to establish safe and effective guidelines.