27 citations
,
October 2020 in “Experimental Dermatology” This study found that both extensive grey hair and alopecia were independently associated with increased COVID-19 severity among survey respondents in Brazil.
17 citations
,
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.
13 citations
,
December 1940 in “The journal of nutrition/The Journal of nutrition” In this study, silver foxes given a yeast "filtrate factor" supplement retained their fur and normal pelts, while those without it experienced fur loss and thymus abnormalities.
11 citations
,
July 2008 in “International Journal of Dermatology” This article discusses a case of patchy alopecia areata that spares greying hairs but reports no new findings; it refers to existing literature for context.
2 citations
,
September 2020 in “Schweizer Archiv für Tierheilkunde” This study found that Swiss cattle exhibiting rat-tail syndrome are heterozygous for genetic variants linked to pigmentation and color dilution, likely due to Holstein introgression in the Simmental breed.