9 citations
,
January 2016 in “Skin Pharmacology and Physiology” The study concluded that both estrogen and androgen receptors, which decrease with age, are linked to skin aging and may be hormonally regulated.
6 citations
,
March 2020 in “Journal of International Medical Research” Early hair loss common in Chinese males, linked to family history and smoking; early treatment advised.
Early-onset baldness is linked to genetics, lifestyle, and can indicate higher risk for heart and metabolic diseases, and affects mental health.
23 citations
,
May 2009 in “International Journal of Dermatology” AR gene not major factor in female hair loss; different from male hair loss.
7 citations
,
January 2022 in “Animal Reproduction” Using rodents for research shows that health problems in the womb can cause diseases later in life.
174 citations
,
November 2002 in “Expert Reviews in Molecular Medicine” Hair loss needs more research for better treatments.
215 citations
,
January 2011 in “Reproductive Biology and Endocrinology” About 7% to 15% of Iranian women have polycystic ovary syndrome, depending on the criteria used to diagnose it.
125 citations
,
May 2007 in “Journal of The American Academy of Dermatology” The BASP classification is a detailed and accurate way to categorize hair loss in both men and women.
117 citations
,
May 2017 in “Human Reproduction Update” The update highlights that non-classic congenital adrenal hyperplasia is common in women with excess male hormones, requires specific hormone tests for diagnosis, and has various treatment options depending on age and symptoms.
83 citations
,
January 2015 in “World Journal of Stem Cells” Hair follicle regeneration needs special conditions and young cells.
62 citations
,
April 2008 in “Neurobiology of aging” Scientists found a gene in mice that causes early hearing loss.
47 citations
,
August 2000 in “Endocrine Reviews” The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.
43 citations
,
November 2019 in “American Journal of Clinical Dermatology” FAGA diagnosis uses blood tests and trichoscopy, with treatments like topical minoxidil, oral anti-androgens, and hormone-modulating drugs.
30 citations
,
December 2001 in “Experimental dermatology” Gonadal hormones significantly affect the severity of alopecia areata in mice.
28 citations
,
May 1998 in “Skin Research and Technology” Scalp flaps are stiffer than skin from other body areas, which helps in planning reconstructive and cosmetic head surgeries.
27 citations
,
January 2010 in “Animal” South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.
25 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Phototrichogram and hair diameter measurements are effective, noninvasive ways to assess hair growth and detect early hair loss, with the most common pattern being reduced hair density.
22 citations
,
April 2020 in “Scientific reports” Changthangi goats have specific genes that help produce Pashmina wool.
12 citations
,
December 2012 in “Current Drug Targets” The Androgen Receptor could be a target for treating diseases like cancer, but more research is needed to confirm the effectiveness of potential treatments.
6 citations
,
February 1974 in “The BMJ” The document concludes that scalp disorders can be treated with hair washing, specific shampoos, medications, and sometimes surgery or hair transplants, but hereditary baldness is untreatable.
5 citations
,
February 2024 in “Clinical Pharmacokinetics” A 50 mg daily dose of ritlecitinib is effective for alopecia areata, with temporary treatment breaks up to 6 weeks not affecting results.
5 citations
,
June 2021 in “Pharmacological Reports” Vitamin D may help reduce antibody levels in men with autoimmune thyroiditis and early-onset androgenic alopecia, but has no significant impact on thyroid function.
5 citations
,
January 2020 in “in Vivo” Testosterone changes important cell communication proteins in pregnant rats' uteruses, which might affect pregnancy success.
3 citations
,
November 2020 in “Biological Trace Element Research” Men with hair loss may lack zinc, copper, and vitamin D; supplements could help.
1 citations
,
October 2025 in “Scientific Reports” Mandarin duck sail feathers change with seasons due to hormones and genetic regulation.
1 citations
,
January 2017 in “The Annals of Clinical and Analytical Medicine” Vitamin D receptor gene changes don't affect alopecia areata risk.
September 2025 in “International Journal of Ayurvedic Medicine” Hair medulla patterns vary by Prakruti type, affecting hair strength.
December 2023 in “Revista Urología Colombiana / Colombian Urology Journal” More research is needed to find effective treatments for sickle cell disease-related priapism.
December 2023 in “Frontiers in endocrinology” Excess androgens may cause PCOS, not just be a symptom.
December 2021 in “Research Square (Research Square)” Hair follicle sampling is a feasible method to measure FMRP and FMR1 mRNA levels in children.