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 …

Vitamin D deficiency prevails in epidemic proportions all over the Indian subcontinent, with a
prevalence of 70%–100% in the general population. In India, widely consumed food items …

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 …

In recent years it has been shown that vitamin D deficiency is associated with an increased
incidence as well as the progression of a broad range of diseases including osteoporosis …

This review describes the vitamin D status in different regions of the world with the objective
of understanding the scope of hypovitaminosis D and the factors related to its prevalence …

Vitamin D status differs by latitude and race, with residents of the northeastern United States
and individuals with more skin pigmentation being at increased risk of deficiency. A PubMed …

Background Vitamin D deficiency is prevalent worldwide, but some groups are at greater
risk. We aim to evaluate vitamin D levels in different occupations and identify groups …

The vitamin D status depends on the production of vitamin D3 in the skin under the influence
of ultraviolet radiation and vitamin D intake through the diet or vitamin D supplements. The …

This paper reviews the main factors influencing the synthesis of vitamin D, with particular
focus on ultraviolet radiation exposure. On the global level, the main source of vitamin D is …

Vitamin D status is highly different in various countries of Europe, the Middle East and Asia.
For this review, vitamin D deficiency is defined as serum 25-hydroxyvitamin D (25 (OH) D)< …