35 citations
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January 1993 in “International Journal of Dermatology” People with HIV and low T cell counts have more hair and scalp problems.
September 2021 in “Journal of The American Academy of Dermatology” COVID-19 patients often experience temporary hair loss and scalp pain.
2 citations
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January 2012 in “Journal of Cutaneous Pathology” The author clarifies that alopecia areata incognito and diffuse alopecia areata are different types of hair loss with unique symptoms and challenges in diagnosis.
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.
10 citations
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January 2012 in “International Journal of Trichology” The study found no link between anxiety, vitamin B12, folate, TSH, ferritin, zinc levels, and trichodynia in telogen alopecia patients.