186 citations
,
February 2015 in “Frontiers in Neuroscience” Testosterone affects brain behavior in complex and varied ways.
66 citations
,
March 1998 in “Mayo Clinic Proceedings” Removing a testosterone-producing tumor cured a woman's sleep apnea and other symptoms.
3 citations
,
October 2022 in “International Journal of Impotence Research” Testosterone Replacement Therapy can improve sexual health in postmenopausal women with low sexual desire, but more research is needed on its long-term effects.
2 citations
,
November 2019 in “Case reports in women's health” Ovarian vein sampling helped diagnose rare ovarian tumors causing high testosterone, and surgery to remove the tumors lowered the testosterone levels.
Testosterone's health effects are complex and not definitively understood.
50 citations
,
May 2018 in “International journal of cardiology” Testosterone is linked to cardiovascular risk factors and stroke, but its exact role is unclear.
1 citations
,
December 2021 in “Cureus” Overweight PCOS patients often have skin issues like acne, but all PCOS patients should get lifestyle advice.
36 citations
,
March 2007 in “Journal of Chromatography B” Hair analysis can detect testosterone in horses after drug administration.
14 citations
,
September 2017 in “General and comparative endocrinology” Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.
39 citations
,
November 2021 in “Clinical Endocrinology” Testosterone replacement is recommended for men with low testosterone levels and symptoms of hypogonadism.
20 citations
,
April 2021 in “Journal of Womens Health” Testosterone can help premenopausal and postmenopausal women with low sexual desire, but its long-term safety is unclear and it's not widely approved for this use.
9 citations
,
April 2021 in “Climacteric” Testosterone therapy is effective and safe for women with low sexual desire, but it's hard to access.
7 citations
,
October 2024 in “Livers” Sex hormones affect liver fat and metabolic health differently in men and women.
January 2026 in “International Journal of Molecular Sciences” Lifestyle changes and environmental strategies can help address declining testosterone levels.
63 citations
,
January 2010 in “Frontiers in Aging Neuroscience” 3α-androstanediol helps reduce age-related cognitive and mood declines in male rats, unlike testosterone.
53 citations
,
July 2014 in “American Journal of Physiology-Endocrinology and Metabolism” Testosterone boosts red blood cell production and changes iron metabolism without needing dihydrotestosterone.
23 citations
,
March 2014 in “International Journal of Molecular Sciences” Testosterone reduces knee flexibility by affecting relaxin receptors.
3 citations
,
March 2025 in “Endocrine Connections” Higher DHT levels are linked to more acne in adolescents, especially boys.
2 citations
,
April 2023 in “Pharmaceuticals” Testosterone therapy for postmenopausal women appears safe and may protect against heart disease, but requires constant monitoring and more research for long-term effects.
December 2024 in “Frontiers in Neurology” Testosterone with finasteride improved muscle and bone health in men with spinal cord injury.
December 2020 in “Journal of Skin and Sexually Transmitted Diseases” No strong link between testosterone or DHEAS levels and acne or hair loss in females.
12 citations
,
December 2020 in “Comprehensive psychoneuroendocrinology” Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.
7 citations
,
April 2023 in “Biomedicines” Dihydrotestosterone boosts inflammation in fat cells more than testosterone.
1 citations
,
January 2020 AMH levels in adolescents with PCOS are not affected by their weight.
November 2025 in “Clinical and Translational Medicine” DNAJB9 cfRNA could help diagnose and treat female hair loss.
August 2024 in “Frontiers in Nutrition” Antioxidant-rich diets may reduce hair loss risk, while pro-inflammatory diets may increase it, especially in women.
Hair and nails can show hormone changes during puberty in dogs.
January 2020 in “Journal of Men s Health” The combination treatment reduced prostate size and improved testosterone deficiency symptoms but was less effective for sexual function.
23 citations
,
September 2021 in “Frontiers in Cellular and Infection Microbiology” Testosterone's effects on COVID-19 are unclear and need more research.
21 citations
,
April 1995 in “Mayo Clinic Proceedings” Leydig cells can cause testosterone-secreting adrenal tumors in women.