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.
5 citations
,
June 1995 in “Comparative biochemistry and physiology. Part C. Comparative pharmacology and toxicology/Comparative biochemistry and physiology. C. Comparative pharmacology and toxicology” Removing mink's adrenal glands causes their summer fur to grow earlier.
12 citations
,
March 2004 in “Journal of Investigative Dermatology”
February 2025 in “Cureus” Hair transplants can rarely cause scalp inflammation leading to hair loss, needing early detection and treatment.
15 citations
,
October 1996 in “Archives of Dermatology” Researchers identified a new hair loss pattern called "sisaipho type," where hair is lost across the scalp except around the edges.
124 citations
,
August 1994 in “Journal of Investigative Dermatology” Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.
113 citations
,
March 2018 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.
September 2025 in “British Journal of Dermatology”
5 citations
,
June 2015 in “Veterinary dermatology” A dog with complete hair loss regrew most hair after treatment, with no relapse after stopping treatment.
1 citations
,
August 2018 in “Journal of the American Academy of Dermatology” A young woman developed facial bumps before hair loss, which is unusual for her condition.
3 citations
,
March 2009 in “Hirosaki University Repository for Academic Resources (Hirosaki University)” Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.
13 citations
,
May 1993 in “International Journal of Dermatology” The paper suggests that telogen effluvium, a type of hair loss, may be a long-lasting condition triggered by stress or illness in people whose hair growth is unusually synchronized.
May 2021 in “Journal of the American College of Cardiology” An 11-year-old girl with Kawasaki disease experienced hair loss that improved after treatment.
12 citations
,
June 2009 in “Journal of Cosmetic Dermatology” Loose Anagen Hair syndrome occurs in dark-skinned children and often improves on its own.
3 citations
,
January 2020 in “JAAD Case Reports” A girl had two rare hair conditions that helped understand their overlap.
5 citations
,
October 1984 in “The BMJ” Up to 50% of scalp hair can be lost before it appears thin, and treatment is only needed for hair loss caused by diseases or deficiencies.
93 citations
,
May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
February 2009 in “Springer eBooks” Pregnancy can cause more body and scalp hair growth and make nails brittle, but these changes often revert after giving birth.
Doctors disagree on whether Raynaud phenomenon often leads to serious diseases, but agree that patients should be monitored for possible progression while being reassured. Rapid weight loss may cause hair loss.
December 2021 in “Journal of The American Academy of Dermatology” COVID-19 can cause different types of hair loss, which may last up to 100 days, and treatments are still being explored.
16 citations
,
January 1998 in “Dermatology” Androgens may worsen a natural hair resting phase, possibly leading to hair loss.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
January 2022 in “Consultant”
May 2025 in “Clinical Cosmetic and Investigational Dermatology” Wheat extract supplements reduce hair shedding and improve growth in women with hair loss.
5 citations
,
July 2009 in “Clinical and experimental dermatology”
October 2005 in “CRC Press eBooks” Telogen effluvium is a condition where hair falls out due to various factors like illness, stress, or nutrient deficiency.
31 citations
,
December 2010 in “Journal of the American Academy of Dermatology” Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.
28 citations
,
May 2014 in “PubMed” Higher stress levels may be linked to hair loss in rhesus macaques.
September 1973 in “Primates”
August 2024 in “Journal of Small Animal Practice” A cat lost hair on its back a month after a road accident, despite no initial skin injuries.