February 2025 in “The Open Dermatology Journal” In this study conducted at Afzalipour Hospital in Iran, researchers found a significant prevalence of alopecia, particularly resembling telogen effluvium, among COVID-19-recovered patients, with hair loss being more common in females and correlating with arterial oxygen saturation levels.
17 citations
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February 2011 in “International Journal of Cosmetic Science” This study found that individual differences between pigmented and unpigmented hair fibers in Old Order Mennonites suggest grey hair may be perceived as drier and less manageable due to small mechanical and moisture changes.
26 citations
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September 1969 in “The American journal of medicine” This article reviews Cronkhite-Canada syndrome as a distinct condition from Peutz-Jeghers syndrome and familial polyposis, with cases showing gastrointestinal polyposis, skin, hair, nail abnormalities, and hypoproteinemia.
March 2026 in “Portuguese Journal of Dermatology and Venereology” This study observed an unexpected case where a 44-year-old woman developed linear scalp pigmentation, resembling a tattoo, after undergoing a microneedling procedure followed by hair dyeing two days later, emphasizing the need to advise patients on avoiding hair dye application soon after such treatments.
11 citations
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May 2012 in “Genesis” This study in mutant mice found that Bmpr2 and Acvr2a are individually redundant, but together essential for normal hair follicle development, with their reduction causing rapid hair cycling and graying.