November 2018 in “The European research journal” In this study, researchers found that patients with alopecia areata who had nail involvement or a history of autoimmune disease showed significantly higher red cell distribution width levels.
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April 2023 in “Cell Biology International” This review examines the role of red cell distribution width and its association with iron metabolism and other factors in diagnosing and monitoring various anemic and non-anemic conditions, reporting no new clinical findings.
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July 2022 in “Dermatology practical & conceptual” In this study, researchers found that women with telogen effluvium had lower MCV/RDW ratios, MPV, and ferritin levels compared to healthy controls, suggesting iron deficiency's involvement in this chronic hair loss condition.
In this study, researchers observed that individuals with acne vulgaris in the Qassim Region of Saudi Arabia had a significantly higher rate of vitamin B12 deficiency, suggesting a potential association that warrants further investigation.
December 2021 in “International Journal of Research in Dermatology” This study found that female pattern hair loss in Saudi women was associated with lower hematological parameters and serum ferritin levels, suggesting iron deficiency may contribute to the disease.