Testosterone and dihydrotestosterone can slow down the growth of certain hair follicle cells.
Different hair growth phases affect how follicles respond to X-rays, and hormones like testosterone and dihydrotestosterone play a key role in baldness; transplanted hair can grow on bald scalp areas.
The conclusion is that there's a link between high testosterone levels, insulin resistance, and certain skin conditions, regardless of obesity.
January 1986 in “Journal of Steroid Biochemistry” Lower testosterone levels in men may be linked to a higher risk of severe coronary artery disease.
November 1983 in “American Biology Teacher” Pattern baldness is likely caused by a dominant gene influenced by testosterone levels, making it more common in men.
Doctors recommend postoperative radiation for male breast cancer, advise against testosterone for vasomotor symptoms post-adrenalectomy, suggest non-hormonal treatments for atrophic vaginitis after mastectomy, note no specific treatment for anticoagulant-induced hair loss, and call for more research on silicosis from silicon carbide exposure.
September 2024 in “Journal of the American Academy of Dermatology” Many transgender men on testosterone therapy experience hair loss.
January 2010 in “Yearbook of Endocrinology” Older men with lower levels of available testosterone are more likely to be frail.
August 2007 in “CRC Press eBooks” Hair loss is mainly caused by a testosterone byproduct, and hair restoration surgery uses hair from the back and sides of the scalp.
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.