August 1993 in “Journal of Dermatological Science” Testosterone metabolism in balding scalp cells may not be the main cause of hair loss.
1 citations
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October 2022 in “Current Opinion in Endocrinology, Diabetes and Obesity” Female pattern hair loss is common in women with polycystic ovarian syndrome.
July 2007 in “Journal of Reproduction & Infertility” Short-term finasteride use likely doesn't harm male fertility.
January 2022 in “Figshare” Melatonin affects when and how certain genes work during the growth of goat hair follicles.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Androgenetic alopecia is common hair loss caused by genetics and hormones, with treatments to slow it but no cure.
1 citations
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August 2012 in “Archives of Gynecology and Obstetrics” Finasteride can help induce ovulation and lead to a healthy birth in some women.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Regenerative therapies may help treat hair loss in androgenetic alopecia.
29 citations
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July 2008 in “Journal of Cutaneous Pathology” Hair root sheaths are more common in non-scarring hair loss and help diagnose the type of hair loss.
January 1974 in “OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)” Oxidative stress causes hair graying by damaging hair follicle melanocytes more than skin melanocytes.
16 citations
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March 2011 in “Dermatologic Therapy” Women with greater androgen sensitivity respond better to finasteride for hair loss.
3 citations
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January 2025 in “动物学研究” The gene GJA1 is important for regulating coarse hair density in goats.
Older women's scalp cells show changes that could contribute to hair thinning.
41 citations
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March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
October 2025 in “Journal of the Endocrine Society” Goserelin injections can effectively manage hyperandrogenism symptoms in postmenopausal women who can't have surgery.
3 citations
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October 2021 in “Clinica Chimica Acta” Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.
October 2023 in “Journal of the Endocrine Society” A woman's ovarian fibroma caused high testosterone levels, which normalized after surgery.
February 1980 in “PubMed”
A woman's excess male hormone symptoms were caused by a rare benign tumor in her ovary.
4 citations
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January 2011 in “Dermatopathology”
38 citations
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June 2017 in “The Journal of Dermatology” Aging in hair follicle stem cells leads to hair graying, thinning, and loss.
29 citations
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February 1987 in “General and comparative endocrinology” Thyroid and gonadal hormones control seasonal hair growth and molting in male European badgers.
1 citations
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May 2015 in “Dermatologic Therapy” The microstrip technique for hair transplantation is effective and discreet for patients needing fewer than 1500 grafts.
September 2023 in “Medicine” The research suggests immune system changes and specific gene expression may contribute to male hair loss, proposing potential new treatments.
16 citations
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August 1989 in “Human Reproduction” Hirsutism in females is caused by high male hormones or sensitive hair follicles.
33 citations
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April 2005 in “British Journal of Dermatology” Aging alone barely affects the number of hair follicles, meaning hair loss is minimal without other conditions like androgenetic alopecia.
February 2025 in “Clinical Chemistry” The woman's symptoms were due to an androgen-secreting tumor, not PCOS.
January 2022 in “Figshare” Melatonin affects specific gene patterns and biological processes in goat hair growth.
6 citations
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January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
23 citations
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May 2009 in “International Journal of Dermatology” AR gene not major factor in female hair loss; different from male hair loss.
11 citations
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May 1995 in “The journal of investigative dermatology/Journal of investigative dermatology”