Global, regional, and national burden of vitamin A deficiency (1990-2021) and projections to 2042: associations with sociodemographic development.

Front Nutr · 2025 · PMC12742204 · PMID 41459070

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a decreasing trendno p-value reported

The right subpanels further clarified national trends: nearly all countries exhibited a decreasing trend, though rare instances of marginal increases were observed.

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