32 citations,
July 2001 in “Endocrine Practice” Insulin-sensitizing drugs like metformin can help with ovulation, weight loss, and lower testosterone in some women with PCOS.
32 citations,
January 2018 in “American Journal of Clinical Dermatology” Hormone therapy affects hair growth in transgender individuals, with testosterone potentially causing hair loss in trans men and estrogen reducing facial/body hair in trans women; treatment options vary.
31 citations,
October 1971 in “Steroids” Human beard hair follicles change testosterone into other related hormones, but don't much change androstenedione into testosterone.
29 citations,
November 1975 in “Clinics in endocrinology and metabolism” Testosterone is made by Leydig cells, is active when not bound to proteins, and works by binding to receptors in muscles and other tissues.
28 citations,
October 2018 in “Clinical Obstetrics and Gynecology” Testosterone therapy seems safe and effective for transgender men with proper care, but more long-term research is needed.
28 citations,
November 2017 in “Molecular and cellular endocrinology” Testosterone and its byproducts help support male sexual behavior through different pathways in the brain and body.
26 citations,
December 2016 in “Psychiatric Clinics of North America” Testosterone therapy and surgeries like mastectomy improve transgender men's lives and mental health with low risks and high satisfaction.
25 citations,
July 1994 in “Journal of dermatological science” Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.
24 citations,
March 2018 in “Pediatric Dermatology” Testosterone treatment in transgender teens can worsen acne, requiring careful treatment due to mental health and medication side effects.
24 citations,
November 2015 in “Annals of Nutrition and Metabolism” Certain SHBG gene variants, like rs727428, are linked to higher testosterone levels in women with PCOS.