A single psilocybin session reduced OCD symptoms within days in resistant patients, with benefits lasting for weeks.

Obsessive-compulsive disorder (OCD) is a severe and disabling disorder characterized by intrusive disturbing thoughts (obsessions) and repetitive behaviors to deal with these thoughts (compulsions).

OCD, which affects 2% to 3% of Americans, is characterized by recurring thoughts (obsessions) and repetitive behaviors such as excessive hand washing and arranging objects in a precise way ...

People with obsessive-compulsive disorder (OCD) may have an increased risk of death from both natural and unnatural causes than those without the disorder, finds a study from Sweden published by The ...

''….The chains of habit are too weak to be felt until they are too strong to be broken'' —Samuel Johnson, 1783 Cognitive behavioral therapy (CBT) is widely used ...

Scientists have discovered an imbalance between neurochemicals in parts of OCD patients' brains key to decision-making and habit. A similar but less pronounced neurochemical imbalance was also ...

Acetylcholine "conductors" in the striatum directly trigger serotonin release, offering new insights into the origins of OCD and chemical imbalances.

With OCD, control is a defensive attempt to manage internal anxiety. It usually doesn’t involve intentional efforts to control other people. OCPD, on the other hand, can involve controlling behaviors.

Samuel Johnson, the 18th-century man of letters, may have suffered from it, counting steps as he walked through the streets ...