COVID-19 infection is highly related to increased hair loss, especially in women.
12 citations
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February 2010 in “Journal of the European Academy of Dermatology and Venereology” Some people with chronic hair loss may have thyroid autoimmunity.
7 citations
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December 2016 in “British Journal of Dermatology” The report suggests that hair loss in Cronkhite-Canada syndrome may be caused by alopecia areata incognita, as shown by a patient's improvement with treatment.
May 2025 in “International Journal of Trichology” The supplement improved hair health and reduced shedding in people with telogen effluvium.
2 citations
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January 2006 in “Indian Journal of Veterinary Pathology” Trichophyton mentagrophytes causes skin issues and nutrient deficiencies in young sheep, especially in winter.
3 citations
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August 2019 in “JAAD Case Reports” Temporary hair loss can occur after 5-fluorouracil treatment for keloids.
3 citations
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February 2025 in “Journal of the American Academy of Dermatology” Feminizing hormone therapy increases hair counts and improves hair-related quality of life, while masculinizing therapy may reduce large terminal hairs.
2 citations
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July 1968 in “Experimental Biology and Medicine” Cystaselenonine causes temporary hair loss in mice by interfering with hair growth.
March 2021 in “CRC Press eBooks” Hair loss without scarring is more common than permanent hair loss with scarring, and is often due to genetic factors.
January 2016 in “Lithuanian University of Health Sciences” Different diseases cause specific skin and hair follicle changes in dogs with alopecia.
November 2022 in “Journal of the Endocrine Society” A transman experienced lasting virilization symptoms after stopping testosterone, which were resolved with estradiol treatment.
August 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” A new method using special materials can help regrow hair by creating small wounds.
8 citations
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January 2002 in “Piel” Postmenopausal women may experience frontal hairline and eyebrow loss due to cicatricial fibrosis.
15 citations
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June 1993 in “Archives of Dermatology” A 22-year-old's gray hair partially turned back to its original color without known causes.
1 citations
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October 2000 in “Pediatrics in Review” The document says that hookworms are treated with mebendazole and stress-related hair loss usually gets better in 6 months, while other hair loss types have specific treatments.
December 2023 in “International Journal of Dermatology” Accurate diagnosis of alopecia areata incognito requires trichoscopy and histopathology.
December 2024 in “PLoS ONE” Alopecia in gray bats is most common and severe during lactation, likely due to stress and nutrition.
February 2026 in “Journal of Craniofacial Surgery Open” Hair extensions can damage scalp health and cause hair loss, especially with prolonged use.
53 citations
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October 2003 in “Developmental Biology” Too much Sonic Hedgehog protein stops hair growth in embryos.
2 citations
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July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
May 2023 in “Clinical and Experimental Dermatology” Alopecia areata has a high chance of persisting and relapsing, with a significant risk of total hair loss, especially if it starts in childhood.
January 2015 in “Journal of clinical and investigative dermatology” Clipping is the best method to prepare rats for studying hair loss from chemotherapy because it causes less skin damage and effectively gets hair to the right growth phase.
June 2021 in “Research Square (Research Square)” Melatonin can increase cashmere yield by altering gene expression and restarting the growth cycle early.
3 citations
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May 2010 in “Archives of dermatology” Herpes zoster infection can cause permanent hair color change in the affected area.
December 2021 in “Molecular genetics and genomics” Cats with abnormal hair had DSG4 gene changes causing hair problems.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The early genes of a specific virus can cause abnormal skin cell growth and hair follicle changes.
4 citations
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August 1978 in “PubMed” Many women's hair loss is due to health issues, medication, nutrition, or stress.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
November 2023 in “Journal of Investigative Dermatology” Removing GRK2 in skin cells causes hair loss similar to immune-related alopecia.
1 citations
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October 2021 in “Journal of Investigative Dermatology”