Abstract Purpose The Middle East and North Africa (MENA) region registers some of the
lowest serum 25‑hydroxyvitamin D [25 (OH) D] concentrations, worldwide. We describe the …

Vitamin D deficiency is associated with osteoporosis and is thought to increase the risk of
cancer and CVD. Despite these numerous potential health effects, data on vitamin D status …

Background Vitamin D deficiency is associated with non-communicable and infectious
diseases, but the vitamin D status of African populations is not well characterised. We aimed …

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 …

Objective Widespread vitamin D deficiency (serum 25-hydroxyvitamin D< 50 nmol/L) in
Saudi Arabia (SA) has been documented, yet a time trend is needed to establish where 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 …

This study assesses vitamin D status in Israel. Serum 25 (OH) D levels< 25 and< 50 nmol/L
are common in Israel with noted differences between Arabs and Jews, Arab females were …

Vitamin D deficiency is highly prevalent in Saudi Arabia, particularly among young women
and is emerging as public health threat of epidemic proportions. Prevalence of severe …

More than 33 years have passed since the first paper highlighting vitamin D deficiency as a
public health concern in Saudi Arabia was published in 1983. Despite “early” detection, it …

Purpose This paper visualizes the available data on vitamin D status on a global map,
examines the existing heterogeneities in vitamin D status and identifies research gaps …