Since the late 1990s, the volume of research on gender issues in mental health has grown significantly. One important point that the gender literature has demonstrated, in addition to clarifying how women’s health differs from that of men’s, is how little we actually know about men’s mental health concerns. Although the great body of research in mental health has historically been based on men, until recently the research has largely failed to address how male gender integrally influences the clinical presentation and treatment of various disorders. Thus this volume reflects an exciting moment in the history of men’s mental health. Research on women’s health has highlighted the important premise.