When habits become rigid and fear-driven, it may be OCD. An 11-year-old’s struggle highlights early signs, emotional toll, ...

Her book about obsessive-compulsive disorder, written in an engaging style for nonscientific readers, clarified that the condition was far more common than generally thought, affecting some 1% to 3% ...

Intrusive sexual thoughts are often misunderstood as hidden desire, when they are more accurately a symptom of OCD and a cycle of anxiety-driven doubt.

New research into Milgram's original recordings has rewritten the explanation for one of psychology's most chilling findings.