Obsessive Compulsive Disorder  
Obsessive Compulsive Disorder is a chronic, relapsing illness. People who have it suffer from recurrent and unwanted thoughts or rituals. The obsessions and the need to perform rituals can take over a person's life if left untreated. They feel they cannot control these thoughts or rituals.

Outcomes
The results of a specific health care service or benefit package.

Outcomes measure
A tool to assess the impact of health services in terms of improved quality and/or longevity of life and functioning.

Outcomes research  
Studies that measure the effects of care or services.