People with obsessive-compulsive disorder (OCD) suffer intensely from recurrent unwanted thoughts (obsessions) or rituals (compulsions), which they feel they cannot control. Rituals, such as handwashing, counting, checking or cleaning, are often performed in hope of preventing obsessive thoughts or making them go away. Performing these rituals, however, provides only temporary relief, and not performing them increases anxiety. Left untreated, obsessions and the need to perform rituals can take over a person’s life. OCD is often a chronic, relapsing illness