30 citations
,
November 2013 in “SLEEP” Blocking testosterone action may improve breathing during NREM sleep in healthy men.
29 citations
,
March 2021 in “Frontiers in Endocrinology” Testosterone may influence COVID-19 severity and outcomes.
29 citations
,
October 2020 in “eLife” Higher testosterone levels can increase the risk of certain diseases like type 2 diabetes in women and prostate cancer in men, but can also protect against autoimmune diseases and hair loss. It also affects body fat and bone density.
29 citations
,
September 1983 in “British Journal of Dermatology” Men with hair loss have lower SHBG and higher saliva testosterone levels, suggesting increased androgen activity.
29 citations
,
May 1975 in “Clinical Endocrinology” Combination therapy significantly reduces testosterone and moderately reduces hair growth in women with hirsutism.
27 citations
,
February 2005 in “Journal of Cellular Biochemistry” Male cells need DHT to respond to testosterone, while female cells do not.
27 citations
,
February 2017 in “Biomedicine & Pharmacotherapy” White wax and policosanol from white wax effectively reduced hair loss and promoted hair growth in mice better than a known hair growth drug.
26 citations
,
August 2014 in “PubMed” Testosterone improves mood and thinking skills; finasteride has no effect.
25 citations
,
November 2015 in “Journal of Ethnopharmacology” Certain Chinese herbs, especially Cacumen platycladi, can promote hair regrowth and reduce hair loss-related hormone levels in mice.
25 citations
,
December 2009 in “Developmental Neurobiology” Androgens are essential for maintaining adult neuromuscular structure.
25 citations
,
August 2006 in “Human Reproduction” Oral contraceptives lower testosterone levels in women, especially those with certain genetic traits, and may be linked to increased breast cancer risk.
25 citations
,
April 1949 in “The journal of experimental zoology” Testosterone applied to rabbit skin increases skin cell growth and changes skin structure.
25 citations
,
March 2004 in “Regulatory Toxicology and Pharmacology” Using testosterone-stimulated weanling rats can effectively replace castrated rats for anti-androgen testing, reducing animal stress.
24 citations
,
October 2012 in “The International Journal of Biochemistry & Cell Biology” Testosterone protects female heart cells from stress by activating estrogen receptors.
24 citations
,
January 2021 in “Physiological Research” Testosterone affects brain functions and contributes to sex differences, influencing conditions like autism.
23 citations
,
September 2021 in “Frontiers in Cellular and Infection Microbiology” Testosterone's effects on COVID-19 are unclear and need more research.
23 citations
,
June 2019 in “Bioanalysis” Monitoring steroid hormones in blood can better detect testosterone doping.
23 citations
,
July 2015 in “The Journal of Membrane Biology” Testosterone increases certain proteins in the uterus, reducing fluid volume.
23 citations
,
March 2014 in “International Journal of Molecular Sciences” Testosterone reduces knee flexibility by affecting relaxin receptors.
22 citations
,
February 2008 in “Biochemical and Biophysical Research Communications” Androgen effects on hair follicles vary by skin area.
22 citations
,
May 2003 in “Planta Medica” Torilin from Torilis japonica can inhibit testosterone 5α-reductase but is less effective than finasteride.
22 citations
,
July 1990 in “Acta Dermato Venereologica” High levels of testosterone and dihydrotestosterone inhibit hair cell growth, while high levels of estradiol promote it.
22 citations
,
January 2006 in “International Journal of Andrology” Taking oral testosterone with finasteride or dutasteride doubles testosterone levels, and food slightly affects it.
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.
21 citations
,
November 2010 in “Talanta” Researchers developed a reliable method to measure testosterone and epitestosterone in urine for medical and anti-doping use.
21 citations
,
January 2003 in “Skin pharmacology and physiology” Different skin cells process testosterone differently, and certain drugs can change this process, possibly helping treat acne and hair loss.
21 citations
,
April 1995 in “Mayo Clinic Proceedings” Leydig cells can cause testosterone-secreting adrenal tumors in women.
20 citations
,
June 2015 in “Hormone Molecular Biology and Clinical Investigation” Finasteride worsens erectile dysfunction and lowers testosterone in men with enlarged prostates, unlike tamsulosin.
19 citations
,
October 2019 in “BMC Neuroscience” Blood hormone levels don't accurately show brain hormone levels in males.
19 citations
,
April 2019 in “Journal of Midwifery & Women's Health” Transmasculine individuals on testosterone therapy need tailored contraception and fertility advice due to unique risks and benefits of each contraceptive method.