December 2018 in “Journal of Advances in VetBio Science and Techniques” Low testosterone might be a common cause of hair loss in male dogs.
October 2004 in “DOAJ (DOAJ: Directory of Open Access Journals)” Men with hair loss don't necessarily have higher levels of the hormone DHEA-S, but this hormone tends to decrease with age.
October 2024 in “Skin Research and Technology” Pili annulati causes zebra-striped hair but doesn't affect hair strength or quality of life.
July 2010 in “学術講演梗概集. A-1, 材料施工” Finasteride effectively slowed hair loss and promoted hair growth in Taiwanese men with AGA.
January 1930 in “Experimental Biology and Medicine” High voltage cathode rays damage rat sperm-producing cells.
March 2026 in “Endocrine Metabolic & Immune Disorders - Drug Targets” Combined finasteride and spironolactone therapy significantly improves quality of life in women with PCOS.
70 citations
,
February 2012 in “Human Reproduction” Many young women who donate blood have hormonal disorders like excess male hormones and PCOS.
26 citations
,
January 1983 in “PubMed” Trichothiodystrophy involves brittle hair due to low sulfur amino acids, not a transport defect.
1 citations
,
October 2024 in “JCEM Case Reports” 5α-reductase deficiency can cause ambiguous genitalia and gender dysphoria, treatable with testosterone.
37 citations
,
March 2014 in “Journal of Trace Elements in Medicine and Biology” Lower hair zinc and copper levels found in Turkish males with hair loss; higher BMI linked to less hair zinc.
47 citations
,
June 2016 in “JAMA Dermatology” Men with early hair loss have similar hormone levels to women with PCOS, possibly increasing risk of obesity and heart issues.
19 citations
,
July 2013 in “The obstetrician & gynaecologist” The document concludes that careful evaluation is needed to diagnose PCOS correctly due to similar symptoms in other conditions, and accurate testosterone level measurement is crucial.
16 citations
,
July 2021 in “American Journal of Medical Genetics Part A” Mutations in the LSS gene cause hair loss and may affect brain development, with varying severity.
1 citations
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March 2000 in “PubMed” A 16-year-old boy's alopecia areata progressed unusually to resemble male pattern baldness.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
12 citations
,
October 2012 in “International Braz J Urol” Finasteride effectively and safely treats recurrent priapism in children and adolescents with sickle cell disease.
October 2023 in “The Egyptian Journal of Hospital Medicine ” PSA might help diagnose PCOS and related skin issues, but more research is needed.
January 2025 in “Case Reports in Genetics” A rare gene variant causes sexual development issues in siblings, needing personalized treatment.
June 2025 in “International Journal of Applied Pharmaceutics” A testosterone-induced hair loss model in mice was successfully created for future research and treatment testing.
3 citations
,
July 2014 in “QJM” A 35-year-old man had patchy hair loss that was actually due to syphilis, not alopecia areata.
6 citations
,
September 1997 in “Prostate Cancer and Prostatic Diseases” Finasteride 5 mg effectively reduces urinary symptoms and PSA levels in men with enlarged prostates, with few sexual side effects.
21 citations
,
December 2015 in “Development Growth & Differentiation” DHT is crucial for urethral formation, and its disruption can affect masculinization and lead to hypospadias.
October 2025 in “Journal of the Endocrine Society” Ovarian hyperthecosis can cause high testosterone and symptoms like hair loss, and surgery can help improve these symptoms.
April 2020 in “Journal of the Endocrine Society” Male pattern baldness may indicate arterial stiffness in transgender men on long-term testosterone therapy.
October 2013 in “International Journal of Pediatric Endocrinology/International journal of pediatric endocrinology” A boy with early puberty and laughing seizures was treated, stopping seizures and slowing puberty.
August 2019 in “KMOU Repository (Korea Maritime and Ocean University)” Sapium rotundifolium extract may help treat enlarged prostate.
May 2023 in “Frontiers in Veterinary Science” Advancements in reproductive technologies for carnivores help conserve species and offer insights into human reproductive issues.
January 2016 in “Renal Failure” Kidney stones and hair loss are significantly related in people under 60 years old.
19 citations
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June 2021 in “The world journal of men's health” Using anabolic-androgenic steroids can harm men's reproductive health and increase the risk of heart problems and death.