OBJECTIVE To evaluate the association between vitamin D deficiency and insufficiency with diabetic nephropathy across racial/ethnic groups. METHODS Cross-sectional analysis of the 2001 to 2006 National Health and Nutrition Examination Survey. A nationally representative sample of 1216 adults (> or =20 years old) with diagnosed diabetes provides population estimates for >12.6 million individua...

Vitamin D (VIT D) deficiency is determined by serum 25-OH-D. Several studies revealed high prevalence of VIT D deficiency in females of the Asian sunny countries. 162 females referred to Urmia Orthopedic Clinics, with bone and muscle pain with the ages 15 up to 40 yrs participated in the study. The individuals were not pregnant, lactating, with no systemic or neurological diseases during the co...

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...

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...

Recent studies suggest that vitamin D deficiency and cardiometabolic disorders are becoming increasingly more prevalent across multiple populations. However, there is a lack of comprehensive data for Korean adults. We investigated the vitamin D status, the prevalence of vitamin D deficiency and its association with metabolic syndrome (MS) risk in Korean adults aged 20 years or older. The study ...

The 16-item Vitamin D Status Predictor (VDSP) tool identifies healthy older community-dwellers at risk of hypovitaminosis D and may guide the use of blood tests in this population. The objective of the present hospital-based study was to test the efficacy of the VDSP to identify geriatric patients with hypovitaminosis D. The study included 199 nonsupplemented geriatric in- and outpatients conse...

Background and Objective: Colorectal cancer (CRC) is one of the most prevalent cancers worldwide. Oxidative stress is one of the involved factors in CRC onset and progression. Recent examinations have revealed antioxidant characteristics of vitamin D. Given the vital role of this vitamin in balancing free radicals and antioxidant capacity, in this study we intended to review the association bet...

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...