Mental health professionals say obsessive-compulsive disorder affects millions and can involve intrusive thoughts, anxiety, ...

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

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 ...

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 ...

In a recent article published in Molecular Psychiatry, researchers performed longitudinal studies in rats to measure the sensitivity of early established versus compulsive polydipsic alcohol (or water ...

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 ...

When a pathological liar realizes they're about to be exposed, they don't calmly admit defeat like most people would. Instead, they unleash a tornado of new lies, distractions, and emotional ...

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 ...

Pathological liars are rare to find, but not that rare. There’s still a decent chance you might know one, and if you notice ...

Like drug addiction, greed hijacks the brain's reward system. In healthcare, this pathological pursuit of profit has life-or-death consequences.

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