124 citations
,
March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.
81 citations
,
May 2007 in “Fertility and Sterility” Testosterone therapy seems safe for postmenopausal women for a few years, but more research is needed for long-term effects.
49 citations
,
February 2009 in “Maturitas” Short-term testosterone therapy in women seems safe with few mild side effects, but long-term effects need more research.
23 citations
,
December 2015 in “Anais Brasileiros de Dermatologia” Permanent hair loss after bone marrow transplant can be caused by chemotherapy or chronic graft-versus-host disease.
21 citations
,
October 2011 in “British Journal of Dermatology” Testosterone therapy helped 63% of androgen-deficient women grow scalp hair, but more research is needed.
21 citations
,
December 2012 in “Maturitas” Testosterone implants in women require pharmacological dosing to be effective and are generally safe and well-tolerated.
17 citations
,
June 2012 in “The Anatolian journal of cardiology” Premature hair graying may be a sign of increased risk for heart disease, indicating biological age is more important than actual age.
12 citations
,
January 2016 in “Endocrinology, diabetes & metabolism case reports” Testosterone therapy improved physical and social health in a male with 49,XXXXY syndrome.
10 citations
,
February 2008 in “International Journal of Andrology” A combination of nanomilled oral testosterone and dutasteride normalized testosterone levels in men with low testosterone and is safe for short-term use.
9 citations
,
November 2019 in “Cell calcium” The STIM1 R304W mutation in mice leads to bone changes and teeth hair growth.
7 citations
,
May 2012 in “International Journal of Andrology” The new oral testosterone pill normalized testosterone levels and lowered SHBG in men with low testosterone.
7 citations
,
April 2012 in “Clinical investigation” Transdermal testosterone can improve sexual desire in postmenopausal women but lacks long-term safety data and is not FDA-approved for this use.
5 citations
,
February 2022 in “Supportive Care in Cancer” Older age is the main risk factor for hemorrhagic cystitis after stem cell transplants.
5 citations
,
August 2018 in “Sexual Medicine Reviews” 5α-Reductase inhibitors do not consistently increase testosterone levels in the blood.
5 citations
,
June 2004 in “The Journal of The British Menopause Society” Testosterone therapy can improve sexual satisfaction and mood in surgically menopausal women when used with estrogen, but its long-term safety and effects on naturally menopausal and premenopausal women are unclear.
3 citations
,
March 2018 in “BMC Cancer” Baldness, especially at the front, may lower the risk of testicular cancer by 31%, but its link to prostate cancer is unclear.
2 citations
,
January 2018 in “Biology and medicine” High testosterone levels in 20% of the women studied may indicate PCOS, while 80% had low levels with potential health impacts.
1 citations
,
May 2025 in “Scientific Reports” Sex hormones do not cause oral lichen planus.
December 2022 in “Curēus” Genetic testing confirmed a young girl has Atrichia with Papular Lesions due to mutations in the hairless gene.
21 citations
,
January 2021 in “Therapeutic Advances in Endocrinology and Metabolism” Testosterone may have a dual role in COVID-19, potentially worsening outcomes in men, and testosterone therapy could help some patients, but more research is needed.
17 citations
,
March 2016 in “Liver international” Men with advanced liver disease and high oestrone and low testosterone levels have worse health outcomes.
92 citations
,
November 2003 in “The Journals of Gerontology” Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.
62 citations
,
April 2008 in “Neurobiology of aging” Scientists found a gene in mice that causes early hearing loss.
56 citations
,
March 2015 in “Cell death and differentiation” Older skin has higher cancer risk due to inflammation and stem cell issues.
48 citations
,
November 1992 in “Clinical Endocrinology” Long-term finasteride use doesn't change bone density or metabolism.
38 citations
,
February 2005 in “The journal of sexual medicine” The testosterone patch and gel are both effective, but they have different absorption patterns and effects on hormone levels.
26 citations
,
August 2014 in “PubMed” Testosterone improves mood and thinking skills; finasteride has no effect.
21 citations
,
November 2010 in “Talanta” Researchers developed a reliable method to measure testosterone and epitestosterone in urine for medical and anti-doping use.
12 citations
,
February 2021 in “Translational Psychiatry” Researchers found two new genetic variants linked to Alzheimer's disease.
11 citations
,
March 2016 in “Translational Andrology and Urology” Nandrolone might increase muscle mass with fewer side effects than testosterone but could cause erectile dysfunction and needs more research.