A new study provides the first direct evidence that experiencing acute trauma can cause the onset of obsessive-compulsive ...

OCD can present with almost any fear or feeling or apparent meaning, and is not determined by the content of these fears, ...

Although it’s not entirely clear what causes obsessive-compulsive disorder (OCD), neuroimaging studies suggest that people with the condition have distinct differences in their brain structure and ...

No single gene causes OCD, but identifying the genetic markers linked to the condition can help clarify how it develops. Viktoria Ruban/iStock via Getty Images Plus Obsessive compulsive disorder has ...

For example, individuals with OCD symptoms will spend a lot of time checking both relevant and irrelevant things on a daily basis, and this overloads executive processes in the brain and results in ...

Roughly 163 million people experience obsessive-compulsive disorder and its associated cycles of obsessions and compulsions. They have unwanted intrusive thoughts, images or urges; they also do ...

A new genetic study of more than 50,000 obsessive-compulsive disorder (OCD) cases has linked around 250 genes to the condition, including more than two dozen identified as likely causal, in about 30 ...