May 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The study found that certain genes are important for hedgehog skin appendage development and immunity, with spines possibly evolving for protection and infection resistance.
March 2025 in “The Open Dermatology Journal” Trichorrhexis nodosa is common hair breakage, often due to styling, and new treatments are being explored.
21 citations
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November 1980 in “PubMed” A new mite species was found in California sea lions, causing skin issues.
January 2026 in “PLoS Biology” ARHGEF3 is essential for proper hair follicle development in mice.
The most common cause of hair loss in children in Delta Egypt is alopecia areata, especially in rural school-aged kids.
3 citations
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January 2017 in “Dermatology online journal” Dermoscopy helped diagnose a rare hair disorder in a 2-year-old boy.
January 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” The gene Ascl4 is not necessary for the development of hair, teeth, or mammary glands.
April 2025 in “Journal of Applied Veterinary Science And Technology” The cat's health improved significantly after treatment.
16 citations
,
June 1992 in “Journal of Investigative Dermatology”
May 2016 in “Hair transplant forum international” The Helenic Academy of Hair Restoration Surgery is a professional group in Greece focused on improving hair transplant techniques.
72 citations
,
December 2018 in “Journal of Experimental Zoology Part B Molecular and Developmental Evolution” Corneous beta-proteins evolved uniquely in reptiles and birds, forming scales, claws, beaks, and feathers.
40 citations
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December 2014 in “Indian Journal of Dermatology” Two new signs, 'signet ring vessels' and 'hidden hairs,' help tell apart scalp psoriasis and seborrheic dermatitis.
January 2025 in “LUMEN ET VIRTUS” Orchiectomy and melatonin helped a German Spitz regrow hair lost due to alopecia X.
3 citations
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June 2002 in “PubMed” Two sisters with Netherton's syndrome had skin and hair issues, needing special diet and ointments.
1 citations
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November 2003 in “SKINmed Dermatology for the Clinician” A 17-year-old with Netherton syndrome has dry, itchy skin, brittle hair, and high IgE levels, treated with antihistamines and emollients.
5 citations
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March 2023 in “Journal of the European Academy of Dermatology and Venereology” Trichoscopy can help identify systemic diseases, not just hair and scalp issues.
July 2023 in “Al-Azhar Assiut Medical Journal” Trichoscopy helps diagnose and manage hair and scalp disorders in children.
31 citations
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April 2018 in “Royal Society open science” Sarcoptes scabiei infection causes significant health and behavior changes in wombats.
4 citations
,
March 2011 in “European Journal of Dermatology” Trauma can cause fat inflammation and abnormal hair growth.
16 citations
,
March 2013 in “The Journal of Dermatology” Low TRPS1 expression in skin and hair cells is linked to hair problems in Trichorhinophalangeal syndrome.
February 2026 in “Frontiers in Medicine” Trichoscopy can help diagnose early congenital syphilis in newborns.
22 citations
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May 2010 in “Journal of Pediatric Gastroenterology and Nutrition” Trichobezoars can cause serious health issues like biliary obstruction, and treatment includes surgery and therapy to prevent recurrence.
6 citations
,
January 2011 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” An 11-year-old Greek girl was diagnosed with a rare genetic disorder, highlighting the importance of genetic testing and family history.
96 citations
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January 2013 in “International Journal of Trichology” Trichoscopy is a useful, non-invasive way to diagnose different types of hair loss.
Calcium hydroxide in an ayurvedic product caused hair breakage.
2 citations
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January 2008 in “Journal of The American Academy of Dermatology” Trichoscopy is a helpful and quick method to diagnose hair loss without shaving.
December 2025 in “Pomeranian Journal of Life Sciences” A miner developed extra shoulder hair due to long-term work pressure and inflammation.
January 2022 in “The Pan African medical journal” Hypertrichosis causes excessive hair growth and needs psychological support due to its impact on self-esteem.
January 2022 in “European journal of anatomy” A man had four testicles, two of which were outside the scrotum and looked like fatty lumps.
14 citations
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September 1999 in “Mammalian genome” The scraggly mutation causes hair loss and skin defects in mice.