Context Vitamin D deficiency is considered a global public health issue, even in low-latitude
countries where there is abundant sunlight radiation. Nevertheless, the prevalence of …

Vitamin D deficiency is a worldwide health problem. However, the prevalence of vitamin D
deficiency in Asian populations is unclear. The aims of our study were to investigate the …

Purpose Vitamin D deficiency has been receiving increasing attention as a potential public
health concern in low and lower-middle income countries (LMICs), of which there are …

METHODS: An extensive and meticulous search was conducted for studies published in
MEDLINE, EMBASE the Cochrane Central Register of Controlled Trials and Cochrane …

Background Vitamin D is important for bone health; in 2014 it was the fifth most commonly
ordered laboratory test among Medicare Part B payments. Objectives The aim of this study …

Methods Data analyzed in this study were collected through National Health and Nutrition
Examination Survey (NHANES), specifically from a population of 4962 participants, age≥ …

Background The prevalence of vitamin D deficiency in Latin America and the Caribbean is
unknown. Objective To examine the prevalence data available on vitamin D deficiency in …

Background Vitamin-D deficiency is linked to a wide range of chronic and infectious
diseases. Body of literature suggested that the prevalence of this deficiency can have …

Studies conducted among populations of tropical countries have reported high prevalences
of vitamin D deficiency and insufficiency. Information resulting from meta-analyses on the …

Background The prevalence of vitamin D deficiency (VDD) may be high in countries with
abundant sun exposure year-round, but nationally representative data are lacking. Objective …