Background: Hypocalcemia is a well-recognized complication after total thyroidectomy. Hypovitaminosis D may have additional effect in the development of hypocalcemia. This study aimed to determine the effect of total thyroidectomy on postoperative serum calcium in patients with and without hypovitaminosis D. Methods: This prospective study was performed on patients who underwent total...

Introduction: During the recent years, vitamin D deficiency was determined as a risk factor for cardiovascular diseases. The purpose of this study was to evaluate the association of vitamin D with ischemic heart disease in the city of Hamadan. Methods: A case control-study was performed with 72 patients with ischemic heart disease, which had been confirmed by angiography in the case group. V...

Vitamin D deficiency in the world Low vitamin D level is an important international public health problem (1-3). Vitamin D deficiency and its consequences among children and adolescents could indeed be considered as one of the most important problems. In fact, low vitamin D levels were reported in both children (4), especially obese children (5), and adolescents. For example, in a study, 9.9% o...

although there is evidence that vitamin d deficiency leads to the development of several cancers, including colorectal cancer, research has shown gaps in establishing a relationship between hypovitaminosis d and the incidence of colorectal cancer. there are controversial reports and inadequate scientific evidence about the role of age and race-specific dosage of vitamin d supplementation for ch...

Vitamin D deficiency and insufficiency are increasingly being recognized in the general population over the last few decades. However, a number of other disorders have now been linked to vitamin D deficiency and insufficiency, including asthma and COPD. The aim of this study was to evaluate the evidence on the effect of vitamin D on asthma and COPD. We searched electronic databases including SC...

Vitamin D deficiency is one of the common nutritional deficiency and it exists in both childhood and adult life. The prevalence of vitamin D deficiency is 50-90 % in the Indian subcontinent. This was a cross sectional study which includes 96 apparently healthy school going children (50 Male & 46 Female) of age 5 to 10 years. We found that 33.33% (15 Male &17 Female) had vitamin D levels {25(OH)...

objectives: the onset of multiple sclerosis in the majority of the cases occurs as a clinically isolated syndrome (cis). we sought to assess serum levels of 25-hydroxyvitamin d (25-ohd) in cis patients and healthy controls. methods: in this cross-sectional study 40 patients (36 women and 4 men) with cis manifesting as a single isolated optic neuritis and 40 age- and sex-matched healthy controls...

Background and Aims: Vitamin D plays an important role in bone health, cardiovascular health, brain development, immune system regulation, mood regulation, and cancer prevention. This study aimed to evaluate the vitamin D status and the prevalence of vitamin D deficiency in Jirof city, Kerman Province, south of Iran. Materials and Methods: In this cross-sectional study, 5243 people were select...

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 and Objectives: Vitamin D deficiency/insufficiency is a global health problem. The importance of this problem is doubled in growing children because of their increased need for skeletal growth. This investigation was performed firstly to assess vitamin D status, and secondly to examine its possible relationship with sex, residing area and duration of sun exposure in 9-12 years old ch...