Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
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.
13 citations
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June 2020 in “Scientific reports” Melatonin stimulates the skin components of ram's scrotum during their non-breeding season.
13 citations
,
January 2013 in “International Journal of Trichology” Inflammation around hair follicles may worsen hair loss; evaluating and treating it can improve transplant results.
5 citations
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July 2005 in “British journal of dermatology/British journal of dermatology, Supplement” A man grew hair on his penis, which is not common, and needed surgery to remove it.
Testosterone works in different ways, including direct interaction with its receptor, conversion to other hormones for specific effects on genitalia, hair, bones, and muscle, and changes in body fat and sexual function when low.
26 citations
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October 2014 in “Andrologia” Infertile men are more likely to produce sperm with abnormal chromosome numbers, which can affect pregnancy success and embryo health.
162 citations
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April 2016 in “The Lancet Diabetes & Endocrinology” Testosterone therapy in transgender men has both desired effects like increased muscle mass and potential health risks such as higher cardiovascular risk.
21 citations
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February 2021 in “BMJ case reports” Anabolic steroid users may face higher risk of severe COVID-19.
14 citations
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July 2015 in “Journal of Cosmetic Dermatology” Sebaceous glands in male pattern hair loss patients have more lobules and might cause early hair growth phase shifts.
44 citations
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June 1967 in “The journal of nutrition/The Journal of nutrition” Lack of essential fatty acids in diet causes reproductive issues and poor health in male rabbits.
9 citations
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November 2013 in “Gynecological Endocrinology” A woman had high testosterone due to an ovarian issue, which was fixed with surgery.
December 2021 in “Aegean journal of obstetrics and gynecology” A woman's male-like physical changes were caused by two rare ovarian conditions.
August 2025 in “Scientific Reports” Itchy keloids on the chest are linked to more nerve fibers and substance P.
1 citations
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June 2016 in “Yāftah/hā-yi nuvīn dar ̒ulūm-i zīstī” Sheep testis extract significantly improves wound healing and hair growth in rats.
February 2013 in “Pediatrics in Review” The girl's symptoms suggest a complex condition that's hard to diagnose despite normal test results.
25 citations
,
November 2005 in “PubMed” Finasteride changes androgen receptor location in rat epididymis without altering tissue structure.
6 citations
,
August 2020 in “International Research Journal on Advanced Science Hub” The niosomal gel effectively delivers testosterone through the skin with fewer side effects.
February 2019 in “Yeni Üroloji Dergisi” Premature hair whitening or loss may indicate a risk for erectile dysfunction.
December 2023 in “International journal of molecular sciences” Chromosomal differences affect how muscle cells respond to testosterone.
30 citations
,
November 2000 in “British Journal of Cancer” Reduced sexual drive may be linked to male breast cancer, while anti-estrogenic factors might lower the risk.
7 citations
,
February 2006 in “Psychological Reports” Hair loss discovery causes stress; talking to dermatologists helps.
25 citations
,
July 2005 in “The Journal of Dermatology” Over half of the students had skin diseases, mainly foot issues and acne, with many unaware or untreated.
13 citations
,
October 2002 in “Journal of Biochemical and Biophysical Methods” Men with male-pattern baldness have higher levels of certain testosterone metabolites and may have more active androgen metabolism.
May 2019 in “Hair transplant forum international” Finasteride does not cause sexual dysfunction in men with hair loss.
October 2021 in “European Journal of Dermatology” CAL-PDT is safer and more effective for treating actinic keratosis on the scalp.
12 citations
,
June 2006 in “British Journal of Sports Medicine” Doping in football faces legal challenges with testosterone limits, hair loss treatments, and recreational drug use.
7 citations
,
June 2020 in “Translational Andrology and Urology” Finasteride for hair loss may cause lasting sexual, genitourinary, mental, and anti-androgenic side effects in young men.
26 citations
,
January 2020 in “Dermatology Online Journal” Certain skin rashes can indicate COVID-19 severity, with chilblains-like rashes linked to milder cases and livedoid patterns to more severe cases.
March 2026 in “Food Science & Nutrition” Arachis hypogaea L. root extract reduces prostate enlargement and inflammation in mice.