This new edition features new chapters on anxious traits and temperaments, the neuropsychology of anxiety disorders, and anxiety and insomnia. Other chapters have been entirely rewritten by new authors to provide fresh insight into such topics as integrated treatment of anxiety disorders; pharmacotherapy for GAD, OCD, and panic disorder; psychotherapy for OCD and PTSD; anxiety disorders in the elderly; anxiety accompanying substance abuse; and the economic and social costs of anxiety. All chapters have been expanded and fully updated with new research findings, and each now includes a concise summary of key clinical points to help readers put those findings into practice.