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Myth Buster: Alopecia Areata is Caused by Nutritional Deficiencies

Oyetewa Boluwatito Asempa, MD, FAAD
Riya Gandhi, MA
07/08/2026

Is alopecia areata caused by vitamin or nutritional deficiencies? Dr Oyetewa Asempa explains how to distinguish autoimmune hair loss from deficiency-related shedding.

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Any views and opinions expressed are those of the author(s) and/or participants and do not necessarily reflect the views, policy, or position of the Dermatology Learning Network or HMP Global, their employees, and affiliates.

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