Occasional anxiety is a normal part of life. You might feel anxious when faced with a problem at work, before taking a test, or making an important decision. Anxiety disorders involve more than temporary worry or fear. For a person with an anxiety disorder, the anxiety does not go away and can get worse over time. These feelings can interfere with daily activities such as job performance, school work, and relationships.
There are a variety of anxiety disorders. Collectively they are among the most common mental disorders.
View the rest of this article on the National Institute of Mental Health website.