conclusions the initial assumption of a relationship between vitamin d and high prevalence of seasonal affective disorder in winter was based on the high prevalence of depression on high latitudes. although some studies have shown an association between depression and vitamin d deficiency, it still cannot be indisputably concluded that augmenting the levels of vitamin d alone alleviate depressi...

vitamin d deficiency is one of the most preventable challenges worldwide. the aim of this study was to determine the prevalence of vitamin d deficiency among female nurses working at children’s medical center hospital in tehran, iran, due to the risk factor of being a notably long period indoors and the fact that their health status may have consequences on the process of patients’ treatment. a...

vitamin d is important for the development, growth, and mineralization of the skeletal in neonates and children. vitamin d is essential for intestinal absorption of calcium. vitamin d is metabolized to 25-hydroxyvitamin d and then to 1,25-dihydroxyvitamin d. pregnant women in developed countries often have insufficient serum concentrations of 25-hydroxyvitamin d and a supplementation of vitamin...

vitamin e (alpha-tocopherol) is a potent and natural antioxidant. vitamin e is concentrated from soybean oil. the committee on fetus and newborn of the academy of the american of pediatrics endorsed 1 to 2 mg/dl as the normal range of serum tocopherol level. human infants are born with low stores of vitamin e, thus they require an adequate intake of vitamin e soon after birth. the optimum intra...

  Background: Vitamin D deficiency is a worldwide issue and the effect of vitamin D supplementation alone as a possible option to prevent that is still under examination.Therefore, the aim of this study was to evaluate the effect of vitamin D supplementation on term and preterm neonates and mothers for 4 months. Materials and Methods</stron...

background: nonalcoholic fatty liver disease (nafld) is the most common chronic liver disease in the world. oral administration of symbiotic and vitamin e has been proposed as an effective treatment in nafld patients. this study was carried out to assess the effects of symbiotic and/or vitamin e supplementation on liver enzymes, leptin, lipid profile, and some parameters of insulin resistance (...