ChatGPT Prompt: Anxiety is a complex and challenging mental health issue that affects many people. Can you explain in detail the common symptoms of anxiety disorder, including physical, cognitive, and behavioral manifestations? Can you also elaborate on the different types of anxiety disorders, such as generalized anxiety disorder, panic disorder, social anxiety disorder, and specific phobias? Finally, can you discuss the potential causes of anxiety disorder, such as genetics, brain chemistry, life experiences, and environmental factors, and the various treatment options available, including therapy, medication, lifestyle changes, and self-help strategies?