Generalized anxiety disorder GAD and major depression MD form the largest group of common mental disorders. These two conditions often occur together, and emerging evidence suggests several similarities between them. More than 45 contributors cover a wide range of empirical and conceptual issues that face GAD and MD today in this comprehensive manual. This book also acts as a guidepost for the entire DSM process. It reviews everything known about the inter-relationship between GAD and MD, summarises the body of evidence into a few broad conclusions, and reflects on the implications of these findings for future classification