Background: Vitamin D deficiency is highly prevalent worldwide among pregnant women.
Although vitamin D supplementation is effective in improving vitamin D status, the safety and …

Low vitamin D levels among older people represent a significant health problem worldwide.
This study aimed to examine the factors associated with vitamin D deficiency in older people …

Background: Vitamin D is an essential nutrient for bone growth, mineralization, and other
metabolic processes in the human body. Hence, insufficiency or deficiency of this vitamin …

Background Long-term data of laparoscopic sleeve gastrectomy (LSG) are still scarce in the
Middle East. Objectives The aim of this study was to assess the efficacy and safety at 5 years …

Background Ongoing studies in the Middle East, particularly in the Arabian Gulf countries,
have reported extremely low levels of serum vitamin D across age and gender. In Kuwait …

Purpose. Vitamin D (VitD) deficiency is a significant public health concern in many areas
around the globe and has been associated with many immune‐mediated diseases …

Objectives To investigate the prevalence of vitamin D deficiency among individuals
attending primary healthcare facilities in Qatar and to assess the association between …

Objective To evaluate bone health and vitamin D adequacy in a cohort of epilepsy patients
on chronic valproate (VPA) monotherapy. Methods Bone mineral density (BMD) using dual …

Objectives To assess serum 25-hydroxycholecalciferol (25-OH vitamin D) levels in
Jordanian children with bronchial asthma, and to examine correlations between 25-OH …

We studied the association between CYP2R1 genetic polymorphisms and circulating 25-
hydroxyvitamin D [25 (OH) D] before and after supplementation with vitamin D3 in 218 …