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
,
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
,
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
,
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.
August 2022 in “Journal of Pakistan Association of Dermatologists” COVID-19 can cause temporary hair loss, especially in women, starting about two months after infection.
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” January 2022 in “The Pan African medical journal” Hypertrichosis causes excessive hair growth and needs psychological support due to its impact on self-esteem.
55 citations
,
October 1992 in “Archives of Dermatology” Loose Anagen Hair Syndrome is a hereditary condition causing hair loss in children due to abnormal hair follicles.
122 citations
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April 1995 in “Journal of Cutaneous Pathology” The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.
March 1999 in “Annals of the Academy of Medicine Singapore” Trichotillomania is a chronic condition where people uncontrollably pull out their hair, often needing medication and therapy for treatment.
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” The Lanyu pig's hair follicles are similar to human ones, making it useful for studying skin healing.
August 2007 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Overexpression of a specific receptor in mice skin causes skin thinning, early skin barrier formation, eye issues, and hair loss.
37 citations
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July 1999 in “The EMBO Journal” Overexpression of certain genes can shorten hair by disrupting the hair-growth cycle.
30 citations
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June 1993 in “The Journal of Cell Biology” The oncoprotein causes abnormal hair growth without increasing skin cancer risk.
1 citations
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January 2006 in “Elsevier eBooks” Cats lose fur due to various reasons, including allergies, infections, genetics, hormones, diet, cancer, stress, and some conditions are treatable while others are not.