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The body's change of testosterone into DHT is not necessary for testosterone's muscle and sexual effects.

This study reported that the n-butanol fraction of Perilla frutescens extract, particularly rosmarinic acid, showed potential for hair regrowth and anti-androgenic activity in male mice, suggesting it as a possible treatment for androgenetic alopecia.

This study found that the dietary supplement RJ-SP4AGA significantly improved hair growth and reduced hair loss in post-menopausal women with androgenetic alopecia over 16 weeks.

This study demonstrated that cortisol, estradiol, and testosterone are preserved in archaeological human hair, allowing for the analysis of ancient stress and reproductive hormone patterns.

This study found that testosterone therapy increased bone mineral density in older men with low testosterone, and combining it with finasteride may reduce prostate enlargement associated with testosterone treatment.

This review discusses the negative health impacts of testosterone deficiency and the potential adverse effects of 5α-reductase inhibitors, emphasizing the need for patient-physician discussions regarding these treatments.

This review found that chromium supplementation has limited effects on weight reduction, glucose control, lipid profile, and hormonal balance in women with PCOS, highlighting the need for further research.

This study found that, in female patients with idiopathic telogen effluvium, a supplement containing zinc, biotin, and other nutrients significantly improved hair loss and quality over 180 days, whereas another supplement with different ingredients had less consistent effects.

This study found that ginger supplementation significantly improved persistent hypothyroid symptoms and may aid in weight and lipid profile management in hypothyroid patients with normal TSH levels.

This study reports that a nutritional complex may improve hair density and quality, with in vitro findings demonstrating inhibition of 5α-reductase, and participants noting reduced hair loss and greasiness.

This review discusses commonly used dietary supplements for hair growth and highlights the lack of evidence supporting their efficacy and safety in the absence of nutritional deficiency; it reports no new research results.

This review concluded that for women, the benefits of testosterone implants are outweighed by risks, with possible higher rates of irreversible adverse effects than previously reported.

Non-drug methods like diet, supplements, and aromatherapy can help manage hair loss and its emotional impact.

This study found that testosterone therapy improved physical performance and strength in older men with low testosterone over 36 months, whether administered alone or with finasteride.

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 testosterone replacement, with or without finasteride, did not lead to significant cognitive improvements over 36 months in healthy older men without prior cognitive impairment.

This review examines age-related changes in androgen levels in women and explores the rationale for testosterone replacement therapy, but it reports no new clinical findings.

Testosterone therapy aims to treat hormone deficiencies and various conditions safely and effectively, but requires careful patient monitoring due to potential side effects.

This review addresses the effects of testosterone on brain development and examines both the established sex differences in brain functions and the debate surrounding structural dimorphism in neuropsychiatric conditions.

The researchers suggest that testosterone levels might influence COVID-19 susceptibility and severity, with low levels potentially protecting against infection but possibly worsening severe disease due to cytokine storm activation.

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.

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

This review discusses the limitations of serum androgen measurements in diagnosing and treating women with potential androgen-related disorders and the potential role of androgen replacement therapy for those with sexual interest/arousal disorders, reporting no new results.

This review examines the scientific evidence on the short-term safety of testosterone therapy for treating hypoactive sexual desire disorder in women, without presenting new clinical results.

This article reviews the limited evidence on testosterone therapy for premenopausal women and notes a lack of long-term safety and effectiveness data for this population.

In this study, five-year testosterone replacement therapy improved fasting blood sugar, HbA1c, and triglyceride levels in Japanese hypogonadal men without significantly affecting prostate-specific antigen levels.

This study found that testosterone administration reduced the expression of uterine receptivity molecules in ovariectomized rats, which may negatively affect early pregnancy establishment and female fertility.

In this review and meta-analysis, the authors concluded that 5α-reductase inhibitor therapy is not consistently associated with significant increases in serum testosterone levels in men.

This study found that while testosterone administration reduced myocardial damage in gonadectomized rats after ischemia/reperfusion injury, Finasteride led to greater improvements, whereas 4-hydroxyandrostenedione worsened outcomes.

This study systematically reviewed the use of topical testosterone products such as creams, gels, and patches, finding they effectively raise serum testosterone but pose significant systemic risks like acne and gynecomastia, necessitating careful medical oversight.