In-depth

Complications

Anxiety

Coping and support

Mental health: Overcoming the stigma of mental illness

Symptoms

Childhood mental illness

Nausea and vomiting

Tachycardia

Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.

Treatments and drugs

Cognitive behavioral therapy

Cognitive behavioral therapy is one of the most common types of psychotherapy. It focuses on specific issues and goals to improve your life.

Psychotherapy

Psychotherapy is one way to treat many mental illnesses. See how therapy is used and which type may be best for you.

Sept. 12, 2014