Mental health professionals say obsessive-compulsive disorder affects millions and can involve intrusive thoughts, anxiety, ...

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 ...

Maia Kinney-Petrucha speaks with Business Insider about being diagnosed with obsessive-compulsive disorder at age 4.

Eating disorders and OCD can look strikingly similar on the surface. Understanding what drives the behavior is essential for ...

Seyfried, 40, said she was diagnosed with “really extreme” OCD when she was 19 years old. In an interview with Vogue, ...

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 ...

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

Karli Bossman's behavior changed instantly from happy to afraid of socks. Oct. 5, 2011— -- Karli Bossman was a happy 5-year-old from Clayton, N.C., who loved going to kindergarten -- until one ...

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

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 ...