Individuals who feel plagued by repugnant, senseless or unacceptable thoughts that intrude into their lives, and feel they have to do some ritual (eg cleaning) over and over again, may have Obsessive Compulsive Disorder (OCD). Up until very recently, OCD was one of those problems that did not respond very well to therapy but with the help of the latest advances in Cognitive Behavioural Therapy psychologist Paul Carver can help you see how the whole thing works, and learn exactly how you can unravel it.