Announcement: Vitamin B12 deficiency hospitalizations surge 32% in Brazil: a warning for high-income health systems

Last updated: 13/08/2026 09:30

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Hospital admissions for vitamin B12 deficiency rose 32% in Brazil (2016–2023) across multiple organ systems, despite routine testing. Functional neurological changes can occur at normal serum levels, suggesting diagnostic thresholds may miss early disease. — Photo by Kayla Maurais on Unsplash (Unsplash License)

1 min read|48 words

New analysis: Vitamin B12-related hospitalizations surged 32% in Brazil (2016–2023), yet many cases are detected only after complications develop. Functional neurological changes can occur even at serum levels considered 'normal'—suggesting diagnostic thresholds need rethinking. Read how this pattern may apply globally.

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GMJ Brief · Announcement

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ByProf. Giorgi Pkhakadze

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Prof. Giorgi Pkhakadze, MD, MPH, PhD, is Editor-in-Chief of the Georgian Medical Journal and Chair of the Public Health Institute of Georgia (PHIG). He is Professor and Head of the Department of Social and Behavioural Sciences at David Tvildiani Medical University, and Secretary/Treasurer of the UEMS Section of Public Health. ORCID: 0000-0001-7609-4515.

Announcement: Vitamin B12 deficiency hospitalizations surge 32% in Brazil: a warning for high-income health systems

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