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

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 ...

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 ...

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

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 ...

Of course, the most visible characteristic of addiction is obsessive- compulsive behavior, the topic of this week's column. Just for fun, I checked out the definition of "obsessive-compulsive" on ...

Shinsuke Suzuki at The University of Melbourne, Australia reports distinct patterns of reward-seeking behavior between obsessive compulsive disorder (OCD) and problem gambling, in a study publishing ...

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