The purpose of this article is to integrate diverse research efforts in an attempt to move toward an understanding of risk factors for bulimia. For this task, three questions in particular require attention. Because 90% of bulimics are women, a first question to address is, Why women? Second, despite the high prevalence of dieting and weight concerns among women in general, it is still a minority who evidence the clinical syndrome of bulimia, leading to the question, Which women in particular? These questions are considered from a range of perspectivesusociocultural, developmental, psychological, and biological Third, the rapidly increasing prevalence of bulimia in recent years raises yet another question, Why now? Our analysis points to research questions that must be examined before we can expand our understanding of the etiology of bulimia.