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.
March 2023 in “Archives of Physical Medicine and Rehabilitation” Testosterone and finasteride improve body composition in men with spinal cord injury.
March 2023 in “Archives of Physical Medicine and Rehabilitation” Testosterone and finasteride improve muscle strength and size after spinal cord injury.
March 2023 in “Archives of Physical Medicine and Rehabilitation” Testosterone plus finasteride increases bone density in men with spinal cord injuries.
May 2022 in “Endocrine Abstracts” Cyproterone acetate therapy improved hair loss and reduced testosterone levels in a menopausal woman.
Women with androgenetic alopecia (hair loss) have normal prostate specific antigen levels but higher testosterone levels.
February 2016 in “Journal of urology and nephrology open access” Finasteride, a drug that prevents testosterone conversion, can effectively reduce blood loss in prostate surgery, especially for patients with a prostatic volume over 30 cc, and decrease post-surgery complications.
Androgenetic alopecia is a common type of hair loss in men and women, caused by a testosterone byproduct affecting hair follicles, with sensitivity determined by genetics.
118 citations,
February 2009 in “Fertility and Sterility” Most women with PCOS have high levels of male hormones, and free testosterone is the best marker for this.
90 citations,
July 2009 in “PTR. Phytotherapy research/Phytotherapy research” Spearmint tea may reduce testosterone and self-reported hair growth in women with PCOS.
32 citations,
August 1985 in “Clinical endocrinology” Spironolactone may help reduce hair growth and testosterone levels in some women with hirsutism.
22 citations,
January 2019 in “Endocrinology and metabolism” An mFG score of 7 or higher indicates hirsutism in Filipino women, often linked to higher free testosterone levels.
20 citations,
January 2012 in “International Journal of Trichology” Most cases of excessive hair growth in women are caused by polycystic ovarian syndrome and are linked to higher free testosterone levels.
17 citations,
April 2010 in “Archives of Gynecology and Obstetrics” Obese women had more testosterone and less acne, but similar hair growth compared to non-obese women.
17 citations,
January 1986 in “Acta obstetricia et gynecologica Scandinavica” Spironolactone can reduce hair growth and testosterone in hirsutism, but is less effective than combined treatments.
8 citations,
March 2010 in “Gynecological Endocrinology” Free Testosterone Index, bioavailable testosterone, and androstenedione are the most accurate for diagnosing excess male hormones in PCOS.
1 citations,
March 2012 in “Journal of pediatric & adolescent gynecology” A young girl with high testosterone was thought to have a tumor but actually had PCOS, which was treated with birth control pills.
November 2022 in “The Journal of Clinical Endocrinology and Metabolism” Postmenopausal hyperandrogenism, a condition with symptoms like increased hair growth and acne, is usually caused by PCOS but can also be due to other factors. It's diagnosed by checking testosterone levels and treated either by removing the adrenal tumor or through antiandrogen therapy.
April 2019 in “Journal of the Endocrine Society” A woman's severe insulin resistance improved with treatment, but she still had high testosterone levels due to ovarian issues.
November 2017 in “International journal of family & community medicine” A man's low testosterone and related symptoms improved after he stopped taking hair loss drugs.
December 2013 in “Macedonian Journal of Medical Sciences” Ovarian steroid cell tumors should be considered in adults with hirsutism and high testosterone, with surgery as the main treatment.