Background Internationally, concern has been repeatedly raised about the little notable
progress in the collection, analysis and use of population micronutrient status and deficiency …

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 …

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 …

Background Obesity is a major risk factor for chronic diseases. Politicians and practitioners
should be aware of the dramatic increase in obesity and its subsequent complications to …

Background: There has been no report of the vitamin D status of the professional athletes
from Iran to date. This study was performed to evaluate the efficacy of weekly vitamin D …

Aim Iran has a higher prevalence of vitamin D deficiency (VDD) than the global level. This
study aimed to assess VDD prevention policies in Iran through a policy analysis of agenda …

Background Vitamin D plays an important role in the health of adolescents, whereas vitamin
D status of Chinese college students was seldom studied in China. To explore the vitamin D …

Background Limited evidence is available regarding the potential heterogeneity of ambient
temperature on blood pressure (BP) in various climate zones. Objectives To explore the …

Hypovitaminosis D during pregnancy is suggested to have a link with complications in both
mother and infant. We aimed to evaluate the efficacy of two doses of vitamin D3 …

Background: The growing supply and prevalence of waterpipe (WP) smoking among Iranian
adolescents have become a concern for both families and policymakers. The aim of this …