Obsessive-Compulsive Disorder (OCD) is a common, chronic, and 11 disorder in which aperson has uncontrollable, reoccurring thoughts (obsessions) and/or behaviors (compulsions) that he orshe feels 12 to repeat over and over. People with OCD may have symptoms of obsessions,compulsions, or both. These symptoms can 13 all aspects of life, such as work, school, and personalrelationships. Obsessions are repeated thoughts, urges, or mental images that cause anxiety, 14compulsions are repetitive behaviors that a person with OCD feels the urge to do in response to anobsessive thought. Not all rituals or habits are compulsions, 15 a person with OCD generally can’tcontrol his or her thoughts or behaviors. Although most adults with OCD recognize that what they aredoing doesn’t make sense, some adults and most children may not realize that their behavior is out of theordinary.