Fast Five Quiz: Vitamin B12 Deficiency

Romesh Khardori, MD, PhD

Disclosures

December 22, 2020

Vitamin B12 deficiency can cause various neurologic diseases and other clinical manifestations. Its incidence widely varies on the basis of whether the cause is autoimmunity, malabsorption, or dietary insufficiency. In the United States and the United Kingdom, the prevalence of vitamin B12 deficiency in individuals aged < 60 years is approximately 6%, whereas it is nearly 20% in those aged > 60 years. In adults in East India and in Kenyan schoolchildren, the prevalence has been reported to be as high as 70%.

Are you familiar with risk factors for the development of vitamin B12 deficiency, as well as related key aspects, clinical manifestations, and best practices for diagnosis and treatment? Test your knowledge of this common nutritional deficiency with this short quiz.

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