5 citations,
December 2021 in “Scientific Reports” Age affects how certain proteins involved in COVID-19 infection are expressed in mice, but sex hormones and heart injury do not.
48 citations,
January 2005 in “Treatments in Endocrinology” 
282 citations,
October 2006 in “The Journal of Clinical Endocrinology and Metabolism” The Endocrine Society advised against routine testosterone therapy for women, citing a need for more research on long-term safety and a clear definition of androgen deficiency.
7 citations,
January 2003 in “Elsevier eBooks” Testosterone is crucial for development, growth, and various body functions in mammals.
9 citations,
August 1952 in “The Journal of Clinical Endocrinology & Metabolism” A 17-year-old female with adrenogenital syndrome produces very high levels of androgens, which prevent complete feminization despite high estrogen doses.
9 citations,
September 2009 in “The Prostate” Finasteride doesn't improve survival in LNCaP tumor model during off-cycle of therapy.
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.
12 citations,
March 2017 in “Arteriosclerosis, thrombosis, and vascular biology” Testosterone helps prevent skin damage in males by acting through both estrogen and androgen pathways.
May 2021 in “Journal of the Endocrine Society” A woman developed male characteristics after using unregulated hormone therapy.
33 citations,
January 1997 in “Endocrinology” Testosterone can slow down hair growth when combined with certain cells from bald scalps, and this effect can be blocked by an androgen receptor blocker.
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.
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.
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.
72 citations,
October 1998 in “Baillière's clinical endocrinology and metabolism” Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.
58 citations,
January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
28 citations,
October 1998 in “Baillière's clinical endocrinology and metabolism” Testosterone replacement may help post-menopausal women with androgen insufficiency, but more research is needed on its benefits and risks.
25 citations,
March 2000 in “Journal of Endocrinological Investigation” Testosterone therapy aims to treat hormone deficiencies and various conditions safely and effectively, but requires careful patient monitoring due to potential side effects.
15 citations,
July 2019 in “Journal of Biological Inorganic Chemistry” Finasteride helps prevent kidney stones, but side effects need more research.
6 citations,
September 2012 in “Clinical Interventions in Aging” Honokiol might help reduce male skin aging by maintaining testosterone levels.
6 citations,
November 2010 in “International Journal of Andrology” New oral testosterone formulations show potential for safer, effective hormone replacement in men with low testosterone.
3 citations,
March 2019 in “Post Reproductive Health” Testosterone replacement can help menopausal women with various symptoms, but should be used carefully and is not yet officially licensed in the UK for women.
1 citations,
January 2008 in “Proceedings of the 9th World Rabbit Congress, Verona, Italy, 10-13 June 2008” Furless male rabbits grew slightly faster and heavier than furred ones, but testosterone levels were not the cause.
September 2012 in “African Journal of Urology” Testosterone replacement therapy improves libido, mood, muscle strength, and bone density in men with Testosterone Deficiency Syndrome.
3 citations,
January 2018 in “Frontiers in bioscience” Daily subcutaneous testosterone effectively restores testosterone levels in men.
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.
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.
19 citations,
January 1997 in “Endocrinology” Testosterone can slow hair growth in adult monkeys, but a blocker called RU 58841 can counteract this and potentially help hair regrow.
251 citations,
October 2014 in “The Journal of Clinical Endocrinology & Metabolism” The guidelines advise against using testosterone and DHEA in women for most conditions due to safety and effectiveness concerns, but suggest considering testosterone for postmenopausal women with low sexual desire.
193 citations,
August 1985 in “Endocrinology” Different animals have unique versions of the enzyme that changes testosterone into another hormone, which is important for creating effective treatments for prostate and hair loss conditions.
99 citations,
June 1999 in “The Journal of Clinical Endocrinology and Metabolism” Testosterone replacement may help some postmenopausal women with symptoms like fatigue and low libido, but more research is needed to fully understand its effects.