75 citations
,
January 1995 in “American journal of primatology” Vervet monkeys show physical changes like hair loss and scrotal color changes due to stress or nutrition issues.
Malnourished people have weaker hair that is easier to pluck.
7 citations
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October 2016 in “Dermatologic Therapy” About 40% of women without hair loss and 60% with hair loss experience a lot of hair shedding, especially those under 50 with long hair.
86 citations
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October 2005 in “Experimental Dermatology” The Foxn1 gene mutation causes hairlessness and immune system issues, and understanding it could lead to hair growth disorder treatments.
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
13 citations
,
March 2018 in “Pediatric Dermatology” Children with short anagen syndrome usually see their hair condition improve as they get older.
January 2022 in “Springer eBooks” January 2010 in “Springer eBooks” 10 citations
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January 1971 in “The American midland naturalist” A simple method can show hair's surface pattern.
October 2024 in “Skin Research and Technology” Pili annulati causes zebra-striped hair but doesn't affect hair strength or quality of life.