1. Approximately 18% of adults in the U.S. have at least one type of anxiety disorder in any given year and about 22% of people with an anxiety disorder also have another anxiety disorder or a mood disorder.
2. A phobia is a persistent fear of an object or situation that leads to behaviors.
3. Obsessions are repetitive thoughts or impulses that cause anxiety, and compulsions are repetitive behaviors used to reduce that anxiety.