January 2019 in “Menoufia Medical Journal” Lower vitamin D levels may contribute to female hair loss.
9 citations,
February 2020 in “International Journal of Endocrinology” Some men with early hair loss may have a male version of PCOS, affecting hormones and increasing health risks.
5 citations,
December 2021 in “Pediatric investigation” Testosterone undecanoate safely and effectively increased penis size in male children with 5-alpha-reductase deficiency.
162 citations,
April 2016 in “The Lancet Diabetes & Endocrinology” Testosterone therapy in transgender men has both desired effects like increased muscle mass and potential health risks such as higher cardiovascular risk.
2 citations,
December 2017 in “Theriogenology” Testosterone increases acidification in the vas deferens by up-regulating V-ATPase.
10 citations,
January 2019 in “Journal of the American Academy of Dermatology” Testosterone increases hair growth and acne in transgender men.
64 citations,
August 1999 in “The American journal of medicine” The transscrotal testosterone patch normalizes hormone levels in men with AIDS and weight loss but does not improve weight, body mass, or quality of life.
21 citations,
December 2012 in “Maturitas” Testosterone implants in women require pharmacological dosing to be effective and are generally safe and well-tolerated.
12 citations,
March 2017 in “Journal of obstetrics and gynaecology Canada” Testosterone therapy can modestly improve sexual function in menopausal women but should be used cautiously and is not recommended for routine measurement in sexual dysfunction or hirsutism.
Hair and nails can show hormone changes during puberty in dogs.
Testosterone raises blood pressure by affecting kidney function and brain gene regulation over time.
45 citations,
May 2012 in “The Journal of Steroid Biochemistry and Molecular Biology” Too much AKR1C3 enzyme causes resistance to finasteride by increasing testosterone.
27 citations,
February 2017 in “Biomedicine & Pharmacotherapy” White wax and policosanol from white wax effectively reduced hair loss and promoted hair growth in mice better than a known hair growth drug.
4 citations,
February 2009 in “Obstetrical & Gynecological Survey” Testosterone patches can modestly improve sexual function in postmenopausal women not on estrogen therapy.
2 citations,
January 2017 in “Endocrinology” Testosterone and its metabolites have varied effects on different body systems, especially during puberty.
December 2023 in “International journal of molecular sciences” Chromosomal differences affect how muscle cells respond to testosterone.
179 citations,
May 1982 in “The Journal of clinical investigation/The journal of clinical investigation” High levels of 3 alpha-diol glucuronide in the blood are a marker of increased androgen action in women with excessive hair growth of unknown cause.
207 citations,
September 2002 in “The Journal of clinical investigation/The journal of clinical investigation” Blocking testosterone speeds up wound healing in males.
108 citations,
September 2002 in “The Journal of clinical investigation/The journal of clinical investigation” Lowering testosterone speeds up wound healing in male mice.
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.
9 citations,
September 2002 in “The Journal of clinical investigation/The journal of clinical investigation” Blocking testosterone speeds up wound healing in males.
10 citations,
March 2019 in “Journal of neuroendocrinology” Testosterone affects stress hormone levels differently in adolescent and adult male rats.
57 citations,
February 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
46 citations,
May 2012 in “Molecular and Cellular Endocrinology” Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.
6 citations,
April 2019 in “Endocrinology and Metabolism Clinics of North America” Testosterone therapy for transmasculine individuals is generally safe with medical supervision, improves mental health, and has mixed effects on physical health.
March 2024 in “International journal of pharmaceutical chemistry and analysis (Print)” Betulin may help treat hair loss caused by testosterone.
April 2006 in “Current Opinion in Endocrinology & Diabetes” Testosterone therapy can help improve sexual function, mood, and bone density in women with low androgen levels, but more research is needed on long-term safety.
19 citations,
April 2018 in “Clinical cardiology” Older men with low levels of a testosterone byproduct had a higher chance of developing an irregular heartbeat.
204 citations,
May 2014 in “The Journal of Sexual Medicine” Hormone therapy for trans individuals is effective and generally safe in the short term.
166 citations,
October 2018 in “Endocrine Reviews” Hormone treatments for transgender individuals generally improve mental health and physical transition, with some health risks that require medical supervision.