Bulimia nervosa is an eating disorder that affects young people and causes serious damage to life quality and death in extreme cases (Affenito & Kerstetter, 1999;Cordás, 2004;Costa et al., 2008;Gucciardi et al., 2004). Since most people with the disorder have normal weight, the diagnosis of bulimia nervosa becomes a highly complex issue (Kaufman, 2000). The etiology of bulimia nervosa has yet to be understood. However, low self-esteem, depression, social pressure on keeping oneself slim and a dissatisfaction with the body shape are factors that may be associated with the bulimia nervosa event, especially in the case of adolescents and female young adults (