40 citations,
January 2013 in “Frontiers in Endocrinology” Finger length ratios are not linked to the number of specific gene repeats affecting testosterone sensitivity.
40 citations,
March 1982 in “British Journal of Dermatology” Young women with diffuse hair loss may have low SHBG levels, which could lead to more active testosterone and contribute to their hair loss.
38 citations,
July 1989 in “Archives of dermatological research” Testosterone causes hair loss in AGA mice, which are good for testing baldness treatments, and both minoxidil and cyproterone acetate can prevent this hair loss.
35 citations,
May 2022 in “Baillière's best practice and research in clinical endocrinology and metabolism/Baillière's best practice & research. Clinical endocrinology & metabolism” Androgens like testosterone are important hormones for both men and women, made differently in each sex and affecting the body by regulating genes and quick interactions with cell components.
35 citations,
November 1989 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” Epitestosterone may act as a weak antiandrogen and can inhibit an enzyme involved in testosterone metabolism.
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,
September 2020 in “Clinical endocrinology” Some antiandrogens may lower testosterone better than others, but it's unclear which is best for feminization in transgender women; more research is needed.
31 citations,
October 1971 in “Steroids” Human beard hair follicles change testosterone into other related hormones, but don't much change androstenedione into testosterone.
31 citations,
September 2006 in “The Journal of Clinical Endocrinology & Metabolism” Testosterone therapy may slightly improve sexual function in postmenopausal women, but its long-term safety is unknown.
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.
28 citations,
May 2013 in “The Journal of Steroid Biochemistry and Molecular Biology” Testosterone therapy can improve sexual desire and function in postmenopausal women but should be used cautiously and not based solely on testosterone levels.
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.
24 citations,
February 2007 in “Hormone and metabolic research” The substance MK386 effectively blocked testosterone conversion and reduced cell growth in certain skin cells, but inhibiting 5α-reductase alone may not greatly improve acne.
24 citations,
March 2003 in “Best Practice & Research Clinical Endocrinology & Metabolism” Androgens, male hormones, play a role in both men and women's health, and testosterone therapy can help women with low levels, but it's not suitable for pregnant or lactating women, or those with certain conditions.
24 citations,
May 1982 in “Biochemical Pharmacology” These drugs cause hair growth without affecting testosterone or adrenal hormones.
24 citations,
November 2007 in “Expert Opinion on Pharmacotherapy” New and future treatments for male hypogonadism include various forms of testosterone therapy and emerging drugs.
23 citations,
January 2016 in “Transgender health” Hormone therapy with estradiol and spironolactone can regrow scalp hair in transgender women by lowering testosterone to female levels.
23 citations,
June 2015 in “Clinica Chimica Acta” Researchers found potential urine markers for polycystic ovary syndrome, including testosterone-glucuronide and 11α-hydroxyprogesterone, which may help diagnose the condition.
22 citations,
January 2019 in “Climacteric” Oophorectomy lowers testosterone and estrogen levels in both premenopausal and postmenopausal women, with postmenopausal women still producing significant testosterone.
22 citations,
August 2011 in “Endocrine Practice” Most hirsutism cases are due to PCOS, and treatment focuses on lowering testosterone and blocking its effects.
22 citations,
January 2001 in “Chemical & Pharmaceutical Bulletin” Some new progesterone derivatives are better at blocking testosterone conversion than a common drug.
22 citations,
September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces dihydrotestosterone, increases testosterone, and may treat hirsutism in women.
21 citations,
September 2017 in “Journal of Obstetrics and Gynaecology Research” Chromium supplements don't improve insulin, hormone levels, or cholesterol in women with PCOS but raise testosterone levels.
20 citations,
March 2022 in “Journal of clinical medicine” Nearly half of the studied men with long COVID had low testosterone, including younger men.