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This study found that in male badgers, seasonal molting and hair growth are influenced by cycles of plasma testosterone and thyroxine, with hormones affecting the timing and progression of these processes.

This article reviews the effect of aging on male hormone levels and fertility, highlighting the need for more research on the benefits and risks of androgen supplementation in older men.

This review discusses treatments for female sexual dysfunction in postmenopausal women, noting that the effectiveness of current pharmaceutical options is inconclusive and emphasizing the importance of individualized care.

This review discusses hormonal changes in aging men and suggests the need for more research on androgen supplementation and partial androgen deficiency, without presenting new clinical findings.

This article outlines a practical method for diagnosing and managing feline symmetrical alopecia but presents no new empirical findings.

The testes significantly contribute to vitamin D metabolism and may affect male reproductive health and conditions like hair loss.

This study investigated hair enhancement treatments used by transgender men in the U.S. and found that while 90% used testosterone therapy, 44.1% sought additional facial hair enhancement options such as topical minoxidil, despite significant safety concerns reported by 77.3% of participants.

This review discusses the association between vitamin D receptor polymorphisms and polycystic ovary syndrome, noting the need for further research on their impact on the disorder's manifestations.

This review examines the role of oxidative stress in male hypogonadism associated with noncommunicable chronic diseases and discusses various management strategies, but it presents no new clinical findings.

This review explores how androgen administration might help alleviate inflammation and mitochondrial impairment in traumatic brain injury but reports no new experimental findings, calling attention to the need for further investigation.

In this case study, biotin supplementation was reported to interfere with free testosterone assay results, leading to falsely low readings in a postmenopausal woman with hyperandrogenism.

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 review suggests that quercetin supplementation may benefit ovarian functions and hormonal levels in polycystic ovary syndrome, though further high-quality trials are needed for confirmation.

This investigation found that certain supplements, particularly whey protein isolate, growth hormones, and anabolic steroids, can negatively impact hair loss by affecting biochemical pathways.

This study suggests that supplemental testosterone therapy in men with hepatitis C virus may be associated with a modest reduction in hepatocellular carcinoma risk, challenging concerns about its potential to increase cancer risk.

This review investigates the potential benefits of cinnamon supplementation alongside lifestyle changes for managing obesity and polycystic ovary syndrome, but it reports no new clinical results.

This systematic review found that cinnamon supplementation may modestly improve insulin sensitivity and potentially reduce hyperandrogenism in women with PCOS, but stresses the need for large-scale clinical trials.

This article discusses the MaasaLong male enhancement supplement, which claims to improve erectile dysfunction and overall male health but provides no new empirical results.

In this research, animal tests confirmed that chromium supplementation effectively maintains glycaemic and insulinaemic balance and affects certain hormone levels, but the authors note that clinical evidence for chromium's benefits in PCOS treatment remains sparse and inconsistent, warranting further exploration.

In this study, creatine supplementation over 12 weeks showed no effect on androgen levels or hair follicle health in healthy young males, challenging the belief that creatine causes hair loss.

In this study, vitamin D supplementation showed no significant effect on androgen levels or clinical hyperandrogenism in PCOS women, but when combined with metformin, it improved testosterone levels.

Androstenedione, a hormone supplement, doesn't improve muscle or performance and can cause harmful side effects.

This study found that in Iraqi women with PCOS, those taking vitamin E supplements experienced a significant reduction in androgenic symptoms like hair loss, weight gain, and acne, along with lower levels of certain hormones linked to the condition.

In this randomized controlled trial, combining cinnamon and inositol led to significant improvements in metabolic and hormonal parameters, such as reduced LH, testosterone, fasting glucose, and ovarian ultrasound scores, in overweight women with PCOS, indicating superior benefits over either supplement alone.

This review discusses the complex effects of testosterone on the brain, emphasizing sex differences, and reports no clinical results; the authors highlight the inconsistencies in current study findings.

This study found that Lespedeza cuneata aqueous extract reduced serum dihydrotestosterone levels and 5α-reductase mRNA expression in testosterone-induced prostatic hyperplasia in rats, suggesting potential as a treatment for prostatic hyperplasia.

In this study, two female patients with low libido experienced increased testosterone levels and improved energy after using Testim transdermal gel for six weeks, though only one reported increased libido, indicating potential benefits of testosterone therapy in women despite its limited use.

This study concluded that both vaginal TEST and Estring may be effective for treating vaginal dryness in breast cancer patients on aromatase inhibitors, with adverse events being rare and manageable.

This case report highlights a rare occurrence of poorly differentiated endometrial carcinoma in a transgender man undergoing long-term testosterone therapy, underscoring the necessity of continued gynecologic care and further research into the effects of testosterone on endometrial health in this population.

In this case report, a post-menopausal woman with symptoms such as hirsutism and elevated testosterone underwent surgery, which revealed hormonally active ovarian cellular fibromas, leading to symptom resolution and normalized hormone levels; the authors suggest further exploration of these tumors' hormonal effects.