Intrusive thoughts are a symptom of obsessive-compulsive disorder (OCD), a mental health condition in which a person experiences involuntary obsessions and compulsions that may cause distress.

I started having intrusive thoughts as a teenager. It always worsens around Christmas because it's a religious holiday, and I feel inadequate. Therapy helped me control some of my thoughts, and I'm ...

Forbes contributors publish independent expert analyses and insights. Mark Travers writes about the world of psychology. Imagine standing on a bridge and peering down at the water flowing by, when you ...