Genetic polymorphisms of alcohol dehydrogenase-1B (ADH1B; rs1229984, His48Arg) and aldehyde dehydrogenase-2 (ALDH2; rs671, Glu504Lys) affect body weight, body fat, and lipid metabolism in individuals with alcohol dependence, and the aim of this study was to identify their determinants in relation to the development of fatty liver.