August 2015 in “Dermatologica Sinica” Men with severe hair loss may have poorer sperm quality.
November 2021 in “International Journal of Trichology” Trichoscopy is effective for diagnosing and monitoring female pattern hair loss.
2 citations
,
May 2018 in “Journal of The American Academy of Dermatology” Hypothyroidism patients with hair loss typically have thinning hair, smaller hair follicles, and normal hair shedding.
September 2021 in “CRC Press eBooks” Alopecia areata incognita causes sudden hair thinning, responds well to steroids, and is more common in those with genetic hair loss conditions.
December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Abnormal contraction of connective tissue in hair follicles causes hair loss by killing off important cells, and treating this could improve hair growth.
1 citations
,
December 2018 in “Journal of Cosmetic Dermatology” Men with thinner hair from genetic hair loss may be more likely to have an enlarged prostate.
8 citations
,
January 2015 in “International journal of trichology” A woman's total hair loss was linked to a Borrelia infection and was reversed with appropriate treatment.
January 2015 in “Indian Dermatology Online Journal” The patient's hair loss is most likely due to diffuse alopecia areata.
2 citations
,
October 2015 in “The New England Journal of Medicine” The woman's surgery lowered her testosterone and improved scalp hair loss but did not change her excessive body hair.
29 citations
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January 2003 in “Dermatology” The condition called 'acute diffuse and total alopecia of the female scalp' is actually a known condition named alopecia areata incognita.
November 2022 in “Journal of the Endocrine Society” A transman experienced lasting virilization symptoms after stopping testosterone, which were resolved with estradiol treatment.
8 citations
,
January 2011 in “International journal of trichology” Accurate diagnosis of APL is crucial to avoid unnecessary treatments.
8 citations
,
January 2017 in “Indian dermatology online journal” Traumatic anserine folliculosis is a skin condition caused by friction, treatable with topical cream and avoiding trauma.
43 citations
,
May 1988 in “British Journal of Dermatology” Patients with acanthosis nigricans often have insulin resistance and signs of increased male hormones, but treatment targeting these male hormones is generally ineffective.
18 citations
,
February 2014 in “PubMed” Androgenetic alopecia is a common hair loss condition caused by testosterone effects on hair follicles, leading to thinner, shorter, and less pigmented hair, diagnosed using scalp dermoscopy and treated with topical minoxidil, antiandrogen agents, and 5-alpha reductase inhibitors.
25 citations
,
April 2007 in “Journal of The American Academy of Dermatology” The document suggests "anisotrichosis" as a new term for hair thickness variation in common baldness.
March 2026 in “Brazilian Journal of Microbiology” Restoring skin bacteria may help reduce hair loss.
January 2023 in “The Egyptian Journal of Hospital Medicine” Botulinum toxin type A is a safe and effective treatment for male pattern baldness.
4 citations
,
August 2017 in “The Nurse Practitioner” Secondary amenorrhea has many causes and requires thorough evaluation to treat and restore menstrual cycles.
73 citations
,
January 2004 in “Journal of the American Academy of Dermatology” Immunocompromised patients can develop skin and hair issues due to a virus.
2 citations
,
August 1999 in “PubMed”
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” A woman's rare hair loss condition improved on its own, suggesting this type might recover like common cases.
2 citations
,
July 2014 in “Our Dermatology Online” Contact immunotherapy can cause vitiligo in patients with autoimmune conditions.
3 citations
,
January 2021 in “Medicinski arhiv” Trichoscopy, a hair loss evaluation technique, found that people with Androgenetic Alopecia have more thin hairs, yellow dots, and perifollicular discoloration than healthy individuals.
January 2020 in “International Journal of Trichology” Androgen-producing ovarian tumors can cause male-pattern hair loss in women.
21 citations
,
December 2019 in “PloS one” The rat model showed early perimenopause with regular cycles and low hormones, and late perimenopause with irregular cycles and higher hormone levels.
January 2023 in “Case Reports in Obstetrics and Gynecology” A woman's high testosterone levels and related symptoms improved after ovary removal surgery.
September 2016 in “Journal of The American Academy of Dermatology” The girl has a genetic hair condition causing thin hair since childhood.
10 citations
,
January 2014 in “Journal of Mid-life Health” Menopause can cause skin issues, and seeing a dermatologist helps.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Hair loss is caused by mechanical, thermal, and metabolic factors, not just hormones.