Background Although vitamin D deficiency has been studied in various adult populations,
there are few data on the prevalence of this nutritional deficiency among healthy …

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)< …

Serum concentration of 25-hydroxyvitamin D (25 [OH] D) is the best marker for nutritional
vitamin D status. Although no consensus has been reached on the optimal 25 (OH) D …

Vitamin D deficiency is an epidemic public health problem worldwide. It is common in the
Middle East and is more severe in women. This cross-sectional study was conducted to …

There has been more ink spilled over the efficacy of vitamin D than over that of most
nutrients, with the possible exception of sodium. Why is this? Dozens of randomized …

Vitamin D deficiency is recognised as a public health problem globally, and a high
prevalence of deficiency has previously been reported in Australia. This study details the …

Vitamin D status varies across all continents and countries. Vitamin D status usually is
adequate in Latin America and Australia, but in contrast it is very low in the Middle East and …

Background Pregnant women living at northerly latitudes are at risk of suboptimal vitamin D
status. There is a paucity of studies correlating knowledge, attitudes and practices of vitamin …

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 …

Background Vitamin D is vital for the growth and development of children. While deficiency
and/or insufficiency of vitamin D among South Asian children are frequently reported in the …