<qa>  What is the main hypothesis of NAFLD?To date, no case control study evaluating insulin resistance IR in nonalcoholic fatty liver disease NALFD has been published. We hypothesize that IR is characteristic of NAFLD as compared to age, gender, non-diabetic BMI-matched control subjects, both healthy and those with non-cirrhotic, non-steatotic liver disease. The following aims test this central hypothesis: 