October 2019 in “Turkderm” Patients with pernio have lower vitamin B12 and ferritin levels than healthy people.
January 2021 in “Turkiye Klinikleri Journal of Dermatology” Many young men with hair loss have low levels of vitamin D and B12.
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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.
August 2019 in “Journal of Investigative Dermatology” Skin may help in getting rid of excess iron through the process of skin cell renewal.
January 2025 in “International Journal of Trichology” Telogen effluvium is common after symptomatic COVID-19, especially in young females, and may be linked to nutritional deficiencies.