in this study, the aim was to determine whether adding vitamin d to the standard therapeutic regimen of schizophrenic male patients with inadequate vitamin d status could improve some aspects of the symptom burden or not. this study was an open parallel label randomized clinical trial. eighty patients with chronic stable schizophrenia with residual symptoms and vitamin d deficiency were recruit...

Background and Objectives: Day-shift taxi drivers have a long duration of direct sun exposure. However, the efficiency of this occupational exposure in vitamin D synthesis has not been addressed yet. The aim of this study was to assess the vitamin D status of taxi drivers in Tehran, and examine vitamin D status association with some anthropometric and circulating biomarkers. Materials and Meth...

BACKGROUND Vitamin D may help prevent adverse pediatric outcomes, including infectious diseases and growth failure, based on its role in immune and metabolic functions. We examined the association of maternal vitamin D status and pediatric health outcomes in children born to human immunodeficiency virus (HIV)-infected women. METHODS Vitamin D status was determined in 884 HIV-infected pregnant...

Introduction: Mean systolic and diastolic blood pressures and prevalence of hypertension vary throughout the world. These differences have mostly been explained by changes in diet and racial differences. However, it is believed that other factors such as calcium, vitamin D and PTH status may contribute to its pathogenesis. This study was conducted to assess the association between the serum 25-...

vitamin d deficiency is the most under-diagnosed medical condition in postmenopausal women. there are few epidemiologic studies on vitamin d status of postmenopausal women in iran. this study aimed to investigate the 25-hydroxyvitamin d levels in postmenopausal women living in tehran, capital of iran. in this cross sectional study, 110 women were selected via convenience sampling method from me...

This review summarises available evidence for an association of low vitamin D status with chronic diseases, such as cardiovascular disease (CVD), congestive heart failure (CHF), and diabetes mellitus. Human vitamin D status primarily depends on skin exposure to the ultraviolet B (UVB) spectrum of the sunlight. Sun-deprived lifestyle is associated with low vitamin D status and high morbidity for...

INTRODUCTION Children and adolescents with a chronic illness have potential risk factors for vitamin D deficiency. An optimal vitamin D status might have multiple health effects. This study evaluated vitamin D status and its association with age, gender, and season in a large cohort of chronically ill Finnish patients at a tertiary pediatric outpatient clinic. A cross-sectional register-based s...

background: vitamin d deficiency may play a key role in the development of impaired glucose tolerance, type 2 diabetes mellitus (t2dm), and metabolic syndrome. several studies have shown that vitamin d has an antioxidant property. we aimed to investigate 25?hydroxy vitamin d (25[oh]d) levels in patients with t2dm and in nondiabetic healthy controls and to ascertain the impact of 25(oh)d levels ...

OBJECTIVE To assess the micronutrient status and its relationship with nutritional status in preschool children. METHODS In a cross sectional study, anthropometric data and fasting blood samples were obtained from 340 children attending preschool in urban Sri Lanka. Serum concentrations of vitamin D, parathyroid hormone, vitamin A, zinc and haemoglobin were measured. Z-scores of anthropometri...