background: vitamin d has a potential to modulate inflammatory response against noxious particles in patients with chronic obstructive pulmonary disease (copd). the present study was conducted to determine the status of serum vitamin d in copd versus healthy group. methods: the patients presented to the outpatient pulmonary clinic of ayatollah rouhani hospital, babol iran. diagnosis of copd was...

background recently the prevalence of obesity and its comorbidities has increased in children, in the worldwide. some evidences show that there is a reverse relation between the serum level of 25-hydroxyvitamin d[25(oh)d] and body mass index (bmi). the purpose of this study was scrutiny response to treatment vitamin d deficiency in obese/overweight children. materials and methods  in this cross...

low plasma level of vitamin d is linked to the increased risk of cardiovascular diseases such as hypertension, diabetes, dyslipidemia and peripheral vascular diseases. vitamin d deficiency is a worldwide problem that involves iranian population. to the best of our knowledge, this was the first investigation on venous thromboembolism (vte) subjects that assessed the correlation of vitamin d leve...

background several studies indicated that there is a high prevalence of vitamin d deficiency in middle east countries. objectives the aim of this study was to determine the prevalence and assess some risk factors of vitamin d deficiency among women attending our clinics in tehran, the capital of iran. patients and methods five hundred and thirty-eight women aged 20-80 years were entered in this...

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...

background: in recent years, epidemiologic and laboratory studies have implied that vitamin d deficiency has a role in the pathogenesis of breast cancer. it has shown that vitamin d can prevent tumor progression induced by carcinogens and inhibit the carcinogenic effects of high fat diet on breast tissue and growth of tumor cells. this study aimed to evaluate serum 25-hydroxyvitamin d level and...

 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...

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...