Many studies have been published describing the vitamin D status in different populations,
most of them in individual countries. Vitamin D status is assessed by measuring 25 …

Vitamin D status and the prevalence of vitamin D deficiency and insufficiency have been
addressed in many studies covering all continents. Vitamin D deficiency, defined as a serum …

Background Evidence recommends that vitamin D might be a crucial supportive agent for
the immune system, mainly in cytokine response regulation against COVID‐19. Hence, we …

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 …

Background Vitamin D inadequacy is common among the elderly, especially within the
Asian population. The vitamin D status among healthy adults in the elderly Chinese …

Objectives A number of studies have hypothesized that vitamin D is a potential factor in the
prevention of falls in the elderly; however, the effect of vitamin D is still inconsistent and not …

Underground workplaces are an important element in modern urban planning. As a result,
an increasing but unquantified proportion of the population is being regularly exposed to …

Objective To explore the association between socioeconomic status (SES) and vitamin D
deficiency/insufficiency of women of childbearing age in rural northern China. Design A …

Osteoporosis (OP) is a condition where there is low bone density and microarchitectural
deterioration which can predispose to fragility fractures. There is a wealth of literature on OP …

Objective To describe the prevalence and determinants of vitamin D deficiency (VDD)
among healthy children aged between 0 and 18 years living in South-East Asia (SEA) …