Obsessive-compulsive disorder (OCD) is characterized by repetitive, unwanted, intrusive thoughts (obsessions) and irrational, excessive urges to do certain actions (compulsions).

Maia Kinney-Petrucha speaks with Business Insider about being diagnosed with obsessive-compulsive disorder at age 4.

Compulsive behaviors are actions that are engaged in repeatedly and consistently, despite the fact that they are experienced as aversive or troubling. Yet treatment can help to manage or overcome ...

The series turned a voyeuristic lens to people with unusual habits, but it did raise awareness of various compulsive ...

A long-held view is that compulsive behaviors involve individuals getting stuck in a "habit loop" that overrides self-control, but new research in rats from the University of Technology Sydney (UTS) ...

A recent study in rats suggests that compulsive behaviors, such as handwashing and gambling, may be driven by inflammation in the brain rather than habit loops. Researchers found that ...

New psychological research suggests that the drive for perfection may be the dangerous bridge connecting narcissism to ...

Researchers at Karolinska Institutet have identified a brain circuit that can drive repetitive and compulsive behaviours in mice, even when natural rewards such as food or social contact are available ...

Is compulsive behavior common in people with Alzheimer’s or dementia? When someone is diagnosed with Alzheimer’s disease or dementia, many aspects of his or her life are forced to change and will ...