Public and professional understanding of obsessive-compulsive disorder (OCD) has dramatically improved within the last decade. GPs are now more likely to pick up that a patient may be living with OCD ...

Symptoms of Pure O. Obsessive-compulsive disorder itself involves having reoccurring obsessions and behaviors (compulsions).

“Pure O” is not a formal mental health diagnosis. It refers to a form of OCD in which people may have compulsions that involve mental rituals more so than specific actions. Although pure obsessional ...

When someone likes things just so or always seems to have their home in perfect condition, others may say “he is so OCD.” But OCD — obsessive-compulsive disorder — isn’t a nifty personality trait of ...

Some people with obsessive-compulsive disorder (OCD) experience a type of compulsion called compulsive counting. These individuals may feel the need to count objects, people, or actions.

In psychology, obsessions are repeated and unwanted thoughts that cause anxiety. Compulsions are repetitive behaviors people perform to temporarily relieve this anxiety. For example, a person may have ...

Scientists have identified the first brainwave biomarkers for OCD, opening the door to personalized, on-demand brain stimulation that targets distressing compulsive behaviors as they arise.

Intrusive thoughts about harm to yourself or others can be a type of OCD known as harm OCD. Therapies like exposure and response prevention (ERP) can help you learn how to cope with this disorder.