105 citations
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June 2010 in “The journal of sexual medicine” Testosterone undecanoate increases lean mass and causes various physical changes in female-to-male transsexuals.
14 citations
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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.
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Open discussions and treatment options for hair loss can boost confidence and reduce distress in young men.
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
2 citations
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December 2004 in “PubMed” July 2022 in “British Journal of Dermatology”
12 citations
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March 2016 in “Experimental Dermatology” Hand preference and sexual orientation may predict finasteride side effects in male hair loss.
28 citations
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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.
1 citations
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March 2005 in “Zentralblatt für Gynäkologie” A postmenopausal woman had high testosterone from her right adrenal gland, leading to recommended surgery.
17 citations
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July 1988 in “International Journal of Dermatology” Men using minoxidil felt better about hair loss and self-esteem than those using a placebo.
Resistance exercise helps improve muscle protein balance disrupted by finasteride.
May 2025 in “International Journal of Nursing Education and Research” Hyperandrogenism causes significant physical and emotional challenges, needing better understanding and support.
March 2024 in “Research Square (Research Square)” Sex steroids affect the MafB gene differently in male and female hamsters.
January 2024 in “Biology of sex differences” Dihydrotestosterone makes arteries stiffer in female mice by reducing estrogen receptor expression.
June 2023 in “Clinical and Experimental Dermatology” Gender-affirming hormone therapy changes hair growth in transgender people, with feminizing therapy reducing hair and masculinizing therapy increasing it, but sometimes additional treatment is needed.
228 citations
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January 2021 in “Journal of Neuroimmune Pharmacology” Men have more severe COVID-19 outcomes than women.
November 2024 in “Journal of Family Medicine and Primary Care” 5 alpha reductase inhibitors can cause sexual, cognitive, and muscle side effects, and may slightly increase aggressive cancer risk.
January 2021 in “Thieme Medical and Scientific Publishers Private Limited eBooks”
Dutasteride did not change rat spermatogenesis or oxidative stress but needs more research.
42 citations
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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.
April 2019 in “Journal of the Endocrine Society” Care for gender-dysphoric Veterans can be improved with a consistent, team-based approach.
December 2024 in “Indian Journal of Dermatology Venereology and Leprology” Atypical male hair loss may not respond to usual treatments.
September 2024 in “Journal of the American Academy of Dermatology” Many transgender men on testosterone therapy experience hair loss.
December 2022 in “Clinical, Cosmetic and Investigational Dermatology” Androgenetic alopecia negatively affects quality of life, especially in younger, less educated, single, and rural individuals.
1 citations
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February 2025 in “Journal of the American Academy of Dermatology” Most men prefer keeping their eyebrows over scalp hair.
11 citations
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May 2009 in “Medical Hypotheses” Male pattern baldness is an unintended side effect of the body's use of androgens for muscle growth, especially in those genetically prone to it.
February 2025 in “International Journal of Impotence Research” December 2025 in “Anatomy (International Journal of Experimental and Clinical Anatomy)” Palmaris longus muscle absence is uncommon and not linked to gender, hand side, or finger ratio.