The document discusses various anxiety disorders and their treatment. It describes several anxiety disorders in detail, including generalized anxiety disorder, panic disorder, post-traumatic stress disorder, specific phobias, social anxiety disorder, and obsessive-compulsive disorder. It examines biological, psychological, and behavioral factors that may contribute to the development and maintenance of anxiety disorders. Finally, it reviews both biological and psychological treatment approaches for anxiety disorders, finding that cognitive-behavioral therapy can be as effective as medication in many cases.