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

For the first time, compulsive sexual behavior – commonly called sex addiction – is classified as a mental health disorder on the World Health Organization’s International Classification of Diseases ...

Obsessive-compulsive disorder (OCD) is a common neuropsychiatric disease affecting about 2% of the general population. It is characterized by persistent intrusive thoughts and repetitive ritualized ...

Individuals with chronic opioid use, whether addicted or not, show heightened learning from negative reinforcement, suggesting that avoidance behavior may underlie both the development and persistence ...

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) ...

The World Health Organization’s International Classification of Diseases (ICD) list is meant to to keep the world updated on global health trends by both recognizing and defining mental and physical ...

A new study suggests that the brain circuits that control obsessive-compulsive behavior are intertwined with circuits that control food intake and body weight. What started as an experiment to probe ...

Is compulsive sexual behavior a new disorder? Because of the continually changing characterizations and terminologies for problematic sexual behavior, it is difficult to compare historical notions of ...

A decade-long debate seemed settled in June when the World Health Organization officially added “compulsive sexual behavior disorder” to the newest edition of the International Classification of ...