13 Facts About Anxiety and Anxiety Disorders Anxiety Disorders, Mental HealthBy Promises Behavioral HealthJanuary 10, 2015Anxiety is the most common mental health problem in the United States, but many people aren’t aware of the basic facts about anxiety. Nearly a fifth of adults have an anxiety disorder, so even if you don’t have one personally, you probably know someone who does. These facts can help you understand anxiety disorders, and…