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

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.

Overthinking and OCD can look similar but work very differently. A mental health expert explains the key signs, emotional ...

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 ...

New psychological research suggests that the drive for perfection may be the dangerous bridge connecting narcissism to ...

The parents of a 10-year-old Raleigh boy began noticing strange behavior in their son about a year ago, but had no idea that it could be the result of strep throat. The parents of a 10-year-old ...

Despite what's shown on TV and in movies, OCD is rarely about hand sanitizer or tidy kitchen pantries. Instead, OCD often ...

The Mayo Clinic defines obsessive-compulsive disorder (OCD) as: “Unreasonable thoughts and fears (obsessions) that lead you to do repetitive behaviors (compulsions).” OCD is a form of anxiety disorder ...

Kashfi felt ashamed, so ashamed that she had never previously been able to seek help. A bright, lively, attractive young woman, she was single, was active socially, and enjoyed her work in a film ...

An innovative surgical technique for patients with severe, treatment-resistant OCD has been tried for the first time in ...