Obsessive-compulsive disorder (OCD) is characterized by repetitive, unwanted, intrusive thoughts (obsessions) and irrational, excessive urges to do certain actions (compulsions).

Obsessive-compulsive disorder (OCD) occurs when obsessions (persistent, unwanted thoughts) trigger anxiety, causing you to repeatedly engage in compulsions (specific behaviors) to find relief. These ...

Bipolar disorder is a mental illness that causes dramatic shifts in a person’s mood, energy and ability to think clearly.

Bipolar disorder is a long-term mood disorder characterized by major fluctuations in mood — both high and low — that can impact daily functioning and behavior. Although bipolar disorder is a chronic ...

It’s normal to feel your heart beat faster or your face flush before getting up to speak in front of a room of 50 people. But if you’re coming up with excuses to avoid the speaking engagement ...

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.

Mood disorders include depressive disorders and bipolar disorders. These types of psychiatric disorders affect a person’s emotions and may cause severe lows, called depression, and highs, called mania ...

Genetic research is rapidly overturning the idea that each psychiatric diagnosis is a separate island. Large DNA studies now suggest that many mental health conditions are different expressions of a ...