vitamin d deficiency is prevalent in diabetes type 2 and this vitamin may be related to insulin action. this randomized controlled trial study was done to evaluate the effect of vitamin d supplementation on glucose control and insulin resistance in patients with diabetes type 2.participants of this randomized clinical trial study consisted of 28 patients with type 2 diabetes who received 100 mi...

Background: Alopecia areata (AA) is an autoimmune disorder ofhair follicles. We aimed to find the association between VitaminD level and AA.Method: Eligible AA patients and controls were enrolled inthis case-control study and serum samples were assessed for25-hydroxy vitamin D (25-(OH)-D3). The ...

AIM To study the association between vitamin D level and hospitalization rate in Crohn's disease (CD) patients. METHODS We designed a retrospective cohort study using adult patients (> 19 years) with CD followed for at least one year at our inflammatory bowel disease center. Vitamin D levels were divided into: low mean vitamin D level (< 30 ng/mL) vs appropriate mean vitamin D level (30-100 n...

Vitamin D serum level and chronic obstructive lung disease

background: metabolic syndrome (ms) is an important risk factor that is associated with vitamin d deficiency, according to recent studies. this study aimed to evaluate the relationship between serum 25-hydroxyvitamin d level and risk of metabolic syndrome in children in birjand. materials and methods: a case-control study on 6 to 18 years old metabolic syndrome patients, this investigation was ...