30 citations
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November 2013 in “PLOS ONE” Androgen receptor signaling causes early aging of cells important for hair growth by damaging their DNA.
113 citations
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July 2020 in “Communications biology” Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.
23 citations
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January 2014 in “International Journal of Biological Sciences” African American men with prostate cancer have more androgen receptor mutations, which may lead to more aggressive cancer compared to Caucasian American men.
January 2008 in “Journal of Practical Dermatology”
3 citations
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December 2020 The interdigital gland in crossbred sheep is similar to skin and has specialized structures for secretion.
11 citations
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October 2015 in “Clinical and Experimental Dermatology” Sophora flavescens extract helps hair growth and treats hair loss.
10 citations
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November 1997 in “British Journal of Dermatology” RU58841 significantly increases hair growth rate and initiates more hair cycles, but doesn't affect hair thickness, suggesting it could be a new treatment for baldness.
Certain genetic variations are linked to hair loss in Mexican men.
1 citations
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November 1995 in “Postgraduate medical journal” A Saudi individual initially identified as a girl had a genetic disorder affecting gender development.
44 citations
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May 2012 in “Endocrinology” High levels of androgens during early development may cause PCOS-like symptoms.
October 2025 in “Journal of the Endocrine Society” Leydig cell tumors in the ovary can cause high testosterone and male traits in postmenopausal women but are treatable with surgery.
January 2025 in “International Journal of Dermatology Research” Anagen grow may effectively treat hair loss by blocking testosterone and reducing enzyme activity.
18 citations
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February 2016 in “The Journal of Clinical Endocrinology and Metabolism” Advancements in male reproductive medicine are ongoing, but more research and improved treatments are needed in several areas.
Dark hair with a red beard likely evolved for camouflage, not attraction.
January 2026 in “SSRN Electronic Journal”
45 citations
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January 2010 in “Journal of Veterinary Medical Science” A gene mutation causes curly hair and hair loss in rats.
October 2025 in “Journal of the Endocrine Society” A rare pituitary tumor in an 18-year-old male caused hormonal issues and vision loss, requiring surgery and further treatment.
December 2022 in “The Aging Male” Lower 2D:4D ratio and older age increase the risk of severe hair loss in men.
1 citations
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February 2004 in “Journal of The European Academy of Dermatology and Venereology” Hair loss improved with treatment and successful transplant.
January 2021 in “International Journal of Dermatology” Possible link between COVID-19 and hair loss; more research needed.
January 2024 in “Journal of Applied Pharmaceutical Science” Procyanidin B2 and leucopelargonidin from Saraca asoca may help treat PCOS by balancing hormones.
83 citations
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September 1993 in “Endocrinology and Metabolism Clinics of North America”
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May 2011 in “The Journal of Clinical Endocrinology & Metabolism” Treatment with a hormone agonist can reduce excess male hormones in postmenopausal women without surgery.
October 2023 in “University of Zadar Institutional Repository” Androgenetic alopecia is a common genetic and hormonal hair loss affecting many men and women.
5 citations
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August 2023 in “G3 Genes Genomes Genetics” The improved genome of the African spiny mouse will help understand its tissue regeneration abilities.
3 citations
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April 2015 in “American journal of biomedical sciences” Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.
November 2023 in “Scientific reports” The research identified and described a gene important for hormone conversion in endangered catfish, which varies in activity during different reproductive stages and after hormone treatment.
2 citations
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May 2011 in “International Journal of Dermatology” A 12-year-old boy in rural south India had a rare skin condition causing hair loss and inability to sweat.