Obsessive-compulsive disorder (OCD) causes people to have recurrent unwanted or unreasonable thoughts or sensations (obsessions) or make them feel driven to do something repeatedly (compulsions).

Being 'obsessed' with cleanliness, a particular video game, or a favorite celebrity is common and harmless. But if that obsession affects your ability to go about your day or interferes with your ...

Ten to 40 percent of patients with anorexia nervosa are diagnosed with obsessive-compulsive disorder. Likewise, 11 percent of patients with a primary diagnosis of obsessive-compulsive disorder have a ...

Some quirks can be chalked up to preference, but others can signal OCD. June 14, 2013— -- intro: Hooked on hand sanitizer? Closet organized to a T? Quirks like this can usually be chalked up to ...