229 citations
,
March 2001 in “European journal of endocrinology” Testosterone levels influence male behaviors and physical traits, but this relationship is complex and influenced by both internal and external factors.
Check hormone levels and blood counts before surgery in dogs with abnormal blood cell counts.
1 citations
,
August 2013 in “PubMed” Testosterone changes reduce thyroxin levels in rats.
January 2005 in “Journal of Investigative Medicine” Testosterone boosts physical performance, grip strength, and lean body mass in older men with low testosterone.
January 2005 in “Journal of Investigative Medicine” Testosterone therapy improves strength and body composition in older men with low testosterone.
7 citations
,
January 2021 in “The Journal of Sexual Medicine” Testosterone with dutasteride improves muscle strength and body composition in trans men.
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.
July 2012 in “The Journal of Urology” Testosterone increases muscle mass regardless of DHT conversion blocking.
3 citations
,
October 1995 in “Southern Medical Journal” Finasteride may cause breast enlargement, low testosterone a risk factor.
27 citations
,
February 2005 in “Journal of Cellular Biochemistry” Male cells need DHT to respond to testosterone, while female cells do not.
6 citations
,
April 2011 in “British journal of oral & maxillofacial surgery/British journal of oral and maxillofacial surgery” Surgeons' testosterone levels significantly increase during major head and neck cancer surgeries.
8 citations
,
May 1982 in “Journal of Endocrinology/Journal of endocrinology” Rat skin takes up and processes testosterone differently than other organs, with testosterone being more important for the skin than its metabolite 5α-DHT.
March 2025 in “Institutional Repositories DataBase (IRDB)” The testes significantly contribute to vitamin D metabolism and may affect male reproductive health and conditions like hair loss.
2 citations
,
December 2017 in “Theriogenology” Testosterone increases acidification in the vas deferens by up-regulating V-ATPase.
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.
March 2023 in “Archives of Physical Medicine and Rehabilitation” Testosterone and finasteride improve muscle strength and size after spinal cord injury.
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
,
October 2017 in “The Prostate” Baldness in men with prostate cancer is linked to higher levels of certain sex hormones, but chest hair density is not.
June 2025 in “Reports of Vinnytsia National Medical University” Men with alopecia areata tend to have larger limb and trunk circumferences than healthy men.
October 2025 in “Journal of the Endocrine Society” Early physical exams are crucial for timely Klinefelter syndrome diagnosis.
12 citations
,
March 2010 in “Asian Journal of Animal and Veterinary Advances” Young and adult hamsters both respond similarly to testosterone and finasteride treatments, but young hamsters aren't good for testing the inhibitory activity of a specific enzyme.
June 2026 in “Scientific Reports” Testosterone makes XX skin more like male skin by changing its structure and cell makeup.
6 citations
,
January 2016 in “International Journal of Trichology” The conclusion is that more hair loss (androgenetic alopecia) is linked to larger prostate size, suggesting hair loss could be an early sign of benign prostatic hyperplasia.
Testosterone's health effects are complex and not definitively understood.
May 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Testosterone significantly affects urination differences between male and female mice.
42 citations
,
May 2007 in “Endocrinology and metabolism/American journal of physiology: endocrinology and metabolism” Testosterone can build muscle and bone without enlarging the prostate when a specific enzyme is blocked.
6 citations
,
July 2018 in “Steroids” Testosterone changes how certain channels work in male rat reproductive tracts, affecting fertility-related fluid balance.
4 citations
,
December 2014 in “PubMed” Pre-operative hormone treatment for hypospadias surgery might improve outcomes, but more research is needed to confirm.
5 citations
,
October 2014 in “Gynecological Endocrinology” Triptorelin helps evaluate hormone production in Sertoli-Leydig cell tumors.
4 citations
,
January 2013 in “PubMed” Testosterone and finasteride raise insulin and zinc, lower chromium in male rats.