Insulin resistance plays a fundamental role in the pathophysiology of many chronic diseases including Type II diabetes, cardiovascular and metabolic abnormalities. There is an increasing interest in assessing the association between insulin resistance and vitamin D status. Vitamin D deficiency predominates in the Middle East where more than half of the population is deficient. This cross-sectional study aims to explore the association between vitamin D status and insulin resistance among university employees. In September 2016, an email was sent to all the employees of Notre Dame University (NDU) ...