11 citations
,
January 2000 in “Der Hautarzt” Male hypogonadism affects skin and hair, causing thin skin, less hair, and skin reactions to treatment.
April 2019 in “Journal of the Endocrine Society” A woman's severe male-like symptoms were caused by a rare, benign tumor in her ovary that produced male hormones.
195 citations
,
February 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
506 citations
,
March 2005 in “The Journal of Clinical Endocrinology and Metabolism” Testosterone therapy improves physical function, strength, and body composition in older men with low testosterone levels.
April 2020 in “Journal of the Endocrine Society” Early diagnosis of PSIS can lead to normal height with growth hormone and testosterone treatment.
7 citations
,
September 1997 in “PubMed”
5 citations
,
August 1987 in “Andrology” Men with low or no sperm count have lower salivary testosterone levels, and saliva testing can measure their testosterone well.
2 citations
,
March 2012 in “Nature Reviews Endocrinology” The body's change of testosterone into DHT is not necessary for testosterone's muscle and sexual effects.
10 citations
,
December 2019 in “in Vivo” Testosterone makes the connections in the uterus lining simpler and lowers certain protein levels, which might lead to infertility.
April 2026 in “The Journal of Urology” Finasteride and dutasteride reduce semen quality, with dutasteride having a stronger negative effect.
48 citations
,
February 2006 in “Molecular and Cellular Endocrinology” 5α-reductase inhibitors may reduce male fertility and could be used for male contraception.
4 citations
,
January 2013 in “PubMed” Testosterone and finasteride raise insulin and zinc, lower chromium in male rats.
1 citations
,
November 2013 Men with low testosterone or breast growth should be checked for Cushing syndrome.
47 citations
,
January 2001 in “Journal of Investigative Dermatology” High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.
11 citations
,
September 2015 in “Theriogenology” Testosterone boosts fluid and electrolyte secretion in seminal vesicles, aiding sperm function.
February 2017 in “The Journal of Sexual Medicine” Long-term testosterone treatment helps men with low testosterone levels lose weight.
April 2023 in “Clinical theriogenology” The dog's skin condition improved after removing a tumor that was causing hormone imbalances.
4 citations
,
May 2019 in “Biology open” Testosterone reduces heart damage and inflammation after injury.
January 2005 in “Journal of Investigative Medicine” Testosterone boosts physical performance, grip strength, and lean body mass in older men with low testosterone.
1 citations
,
December 1998 in “PubMed” Surgery on a 68-year-old woman with an ovarian tumor led to reduced hirsutism and normal testosterone levels.
5 citations
,
April 2021 in “Journal of Endocrinological Investigation” Higher DHT levels are linked to fewer hypogonadism symptoms in men with normal testosterone levels.
19 citations
,
May 2020 in “American journal of men's health” Testosterone therapy helps boys with hormone deficiencies develop normal male characteristics and grow properly.
2 citations
,
January 2014 in “Elsevier eBooks” The document explains how sperm cells are produced, the role of testosterone in this process, and how toxins can reduce sperm count and fertility.
23 citations
,
March 2014 in “International Journal of Molecular Sciences” Testosterone reduces knee flexibility by affecting relaxin receptors.
1 citations
,
January 2023 in “International journal of urology” Low zinc levels are linked to low testosterone but not to sexual problems.
October 2023 in “The Journal of urology/The journal of urology” Higher testosterone and DHT levels are not linked to urinary symptoms in men.
February 2024 in “The Journal of Sexual Medicine” 5-α reductase inhibitors do not significantly affect male reproductive function but may reduce semen volume.
129 citations
,
February 2006 in “Andrology” Men with low testosterone should be carefully evaluated and monitored before and during treatment.
82 citations
,
February 1989 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” A three-month treatment with a GnRH agonist significantly lowered androgen levels and 5α-reductase activity in men with benign prostatic hyperplasia.
January 2001 in “亚洲男性学杂志:英文版” Men's fertility and sexual health decline with age, but some remain fertile into their eighties.