We’ve all had good reason to feel anxious over the past two years. But sometimes, anxiety is more than a normal response to stress. Anxiety disorders are among the most common of all mental health disorders, affecting an estimated 15% to 20% of people at some point in their life. Dr. Bunmi Olatunji, director of the Emotion and Anxiety Research Lab at Vanderbilt University, discusses the emotions that drive anxiety disorders, how to treat them effectively, and how people can recognize the difference between feeling anxious and an anxiety disorder – and know when it’s time to seek help.