Do you have unhealthy anxiety? Do you suffer from sleeplessness, irritability, trouble relaxing, difficulty in concentrating, or fear of embarrassment? From Dr. Jonathan Davidson, director of the Anxiety and Traumatic Stress Program at Duke University Medical Center and one of the most respected experts on anxiety disorders, comes the definitive and solution-filled book about anxiety. offers self-assessment tests and serves as a comprehensive treatment guide for one of the most common health concerns in America.