January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
13 citations
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January 2014 in “Postępy Dermatologii i Alergologii” Patchy alopecia areata can affect only pigmented hairs, leaving gray hairs untouched.
July 2023 in “Veterinary pathology” White-tailed deer can get a hair loss condition that might make them more vulnerable to environmental threats.
2 citations
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September 2023 in “Journal of the European Academy of Dermatology and Venereology” Trichoscopy is a useful tool for diagnosing different types of female hair loss without needing a biopsy.
418 citations
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September 2012 in “Nature” African spiny mice can regenerate skin, hair, and cartilage, but not muscle, and their unique abilities could be useful for regenerative medicine.
44 citations
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September 2012 in “Archives of Dermatology” Hair breakage may be an early sign of a hair loss condition called CCCA in African American women.
19 citations
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October 1996 in “International Journal of Dermatology” Pseudopelade is a rare inherited hair loss condition with a genetic cause.
August 2018 in “Archives on veterinary science and technology” Hair loss in lab macaques is not always due to neglect and has multiple causes.
10 citations
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October 2002 in “Journal of The American Academy of Dermatology” The document concludes that a man's long hair may have helped diagnose his rare case of chronic hair shedding, for which no treatment is advised.
January 2015 in “Indian Dermatology Online Journal” The patient's hair loss is most likely due to diffuse alopecia areata.
April 2018 in “Blackwell's Five‐Minute Veterinary Consult Clinical Companion” The document concludes that skin and hair changes in small animals are often due to hormonal imbalances and recommends regular baths and antibiotics for associated infections.
May 2026 in “Journal of International Medical Research” Atrichia with papular lesions causes irreversible hair loss from infancy and is often misdiagnosed.
2 citations
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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.
March 2026 in “International Journal of Advanced Biochemistry Research” German shepherd hair varies in color and pattern but is flat with a consistent internal structure.
January 2024 in “Research Square” The model helps understand alopecia areata and suggests treatment strategies.
December 2015 in “European Journal of Pediatric Dermatology” Newborns can experience temporary hair loss in bands, unrelated to sleeping position.
May 2014 in “JAMA Dermatology” Mother and son diagnosed with a rare genetic hair loss condition with no effective treatment.
April 2020 in “International journal of research in dermatology” An 8-year-old girl has a rare, irreversible hair loss condition caused by a genetic mutation.
54 citations
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January 2005 in “Journal of The American Academy of Dermatology” Most patients with chronic hair shedding did not progress to permanent hair loss, and one showed improvement with treatment.
2 citations
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November 2023 in “Skin Research and Technology” RCM and dermoscopy help identify different types of hair loss in children.
January 2021 in “International journal of dermatology, venereology and leprosy sciences” Most adult women experiencing hair loss are aged 21-40, with the most common type being female pattern hair loss. Trichoscopy is a useful tool for diagnosing different types of hair loss.
August 2025 in “Journal of the American Academy of Dermatology” Minoxidil can temporarily increase hair shedding, causing anxiety and treatment discontinuation.
93 citations
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May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
55 citations
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October 1992 in “Archives of Dermatology” Loose Anagen Hair Syndrome is a hereditary condition causing hair loss in children due to abnormal hair follicles.
January 2019 in “Global Dermatology” Genetic hair shaft abnormalities can be seen with microscopes and often affect scalp hair.
1 citations
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September 2021 in “The Journal of Dermatology” Japanese cases of fibrosing alopecia show a unique age and hair loss pattern, possibly due to racial differences.
14 citations
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August 2006 in “Clinical and Experimental Dermatology” A girl with no hair neglect developed plica neuropathica in the hospital, lost all her hair, but it grew back.
1 citations
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June 2023 in “British Journal of Dermatology” Alopecia areata causes significant financial strain, especially for women and those with severe symptoms.
January 2008 in “Medical Entomology and Zoology” September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.