Introduction: Dieting, obsessive weight control practices, fears of fatness, negative body image, food and weight preoccupation and other distorted attitudes and behaviors are proven risk factors with a serious potential to facilitate the development of anorexia and bulimia nervosa and the so called "atypical ED". They are not enough studied in Bulgaria. The purpose of this study was to assess the prevalence and the gender differences in disordered eating attitudes and behaviors in adolescents and young adults from Bulgaria.