Low vitamin D levels are prevalent across the general population
Low vitamin D levels are widely documented as prevalent across various global populations and high-risk groups, though some regional cohorts show higher rates of sufficiency.
Multiple papers and reviews establish that hypovitaminosis D is a common global health concern affecting children, healthcare workers, and specific patient cohorts, outweighing localized studies where deficiency appears less common.
Rafiu Ariganjoye. Pediatric Hypovitaminosis D. 2017. https://doi.org/10.1177/2333794x16685504
Paper [0] notes that low levels of 25-(OH)-D are highly prevalent in children worldwide.
Al Maqbali S, Al Maharbi H, Al Handhali S, Al Hashimi T, Anwar S, Alswaii T. Vitamin D Status and Test Utilization: A Five-Year Analysis.. 2026. https://doi.org/10.7759/cureus.106542
Paper [2] reports that clinically significant vitamin D deficiency was relatively uncommon in an Omani regional cohort, suggesting possible overtesting.
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Vasileiou E, Nena E, Ntolios P, Zissimopoulos A, Constantinides T. Vitamin D levels, general health status, and work productivity among healthcare workers-a scoping review of published literature (2010-2025).. 2026. https://doi.org/10.3389/fnut.2026.1816046
Paper [3] indicates that vitamin D deficiency is highly prevalent across studies of healthcare workers.
Iqbal MJ, Azhar M, Javaid H, Hassan A, Masood A, Menotta M. Prevalence of Vitamin D Deficiency in Ataxia-Telangiectasia: A Systematic Review and Single Arm Meta-Analysis.. 2026. https://doi.org/10.1007/s12311-026-02036-9
Paper [4] finds a high pooled prevalence of vitamin D deficiency in ataxia-telangiectasia cohorts.
Basil B. Vitamin D and the metabolic-associated steatotic liver disease-type 2 diabetes axis: a scoping-narrative review of global evidence and emerging perspectives for Sub-Saharan Africa.. 2026. https://doi.org/10.3389/fepid.2026.1765215
Paper [6] states that global evidence consistently associates vitamin D deficiency with disease progression and metabolic disorders.
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