To prevent wool loss in sheep, provide balanced nutrition and reduce stress.
3 citations
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April 2021 in “Revista da Sociedade Portuguesa de Dermatologia e Venereologia” Some people who got COVID-19 experienced temporary hair loss starting around 10 weeks after infection, with many seeing improvement within about 25 days.
June 2023 in “Benha Journal of Applied Sciences” People with chronic hair shedding have lower antioxidant levels in their blood compared to healthy individuals.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Non-invasive methods can effectively monitor hair growth cycles, aiding hair loss treatment development.
38 citations
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September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
October 2024 in “Annals of Allergy Asthma & Immunology” Anaphylaxis from cow's milk allergy can cause temporary hair loss in children.
124 citations
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August 1994 in “Journal of Investigative Dermatology” Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.
68 citations
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April 1965 in “General and Comparative Endocrinology” The pituitary gland controls seasonal fur color changes in weasels.
September 2022 in “Journal of Case Reports and Medical History” Many new moms lose hair after childbirth due to hormonal changes, but it usually grows back within a year.
2 citations
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August 2020 in “Dermatologic Therapy” Low ferritin and zinc levels, as well as anemia, are linked to more severe hair loss in Egyptian children with chronic hair shedding.
1 citations
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August 2020 The Shaven mutation in mice affects hair growth and causes a greasy coat due to abnormal lipid content.
1 citations
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April 2016 in “Journal of The American Academy of Dermatology” The study concludes that Loose Anagen Hair Syndrome is a benign condition that usually improves with age but can be hard to diagnose and stressful for the family.
51 citations
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May 1996 in “American journal of physiology. Regulatory, integrative and comparative physiology/American journal of physiology. Regulatory, integrative, and comparative physiology” Gray seals use more energy and have higher hormone levels during their annual fur-shedding period.
92 citations
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June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
Many severe COVID-19 patients experienced temporary hair loss, but most regrew hair within six months.
2 citations
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October 2023 in “Aesthetic Plastic Surgery” Females, especially over 40, are more likely to experience temporary hair loss after hair restoration surgery.
November 2024 in “Huisarts en Wetenschap” Telogen effluvium hair loss often resolves on its own in 3 to 6 months, but see a dermatologist if it persists.
March 2023 in “Journal of Cosmetic Dermatology” Dilated scalp capillaries might be a sign of hair loss related to COVID-19.
A patient experienced intense hair loss due to telogen effluvium after scalp contact dermatitis, but hair regrew completely within two months without further treatment.
11 citations
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June 2005 in “Postgraduate Medical Journal” Some infants temporarily grow scrotal hair, which usually disappears on its own without any health issues.
12 citations
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March 2018 in “Australasian Journal of Dermatology” Minoxidil treatment can reduce hair shedding, increase hair volume, and even change hair color in patients with loose anagen hair syndrome.
11 citations
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April 2020 in “Animals” Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.
Hair loss can happen after both mild and severe COVID-19, and areas with more COVID-19 cases may see more hair loss cases.
8 citations
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May 2005 in “Australian veterinary journal” A Tibetan Terrier had recurring seasonal hair loss for three years.
December 2020 in “Journal of Pakistan Association of Dermatology” COVID-19 recovery can lead to temporary hair loss called telogen effluvium.
2 citations
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March 2015 in “Clinical and Experimental Dermatology” Azathioprine can cause unusual hair loss, which may reverse after stopping the drug.
2 citations
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July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
7 citations
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January 2016 in “Dermatology online journal” Persistent pulling on hair can cause permanent hair loss.
1 citations
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October 2013 in “A & A case reports” Hair loss from telogen effluvium may not happen again after another surgery.
21 citations
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January 1988 in “Critical Care Medicine” Critically ill patients may experience temporary hair loss after a fever.