Mental Health and Dissociative Fugue
WebMD provides information on dissociative fugue, which can be caused by extreme stress or trauma. Learn about symptoms and treatment.
Oppositional Defiant Disorder
A look at the mental disorder called oppositional defiant disorder, or ODD, which affects children and teens.
Read about Munchausen syndrome, in which a person repeatedly acts as if he or she has a physical or mental illness when they aren't really sick.
Mental Health and Depersonalization Disorder
Learn about depersonalization disorder, which is marked by periods of feeling disconnected or detached from one's body and thoughts.
Narcissistic Personality Disorder
Learn more about narcissistic personality disorder from WebMD.
Munchausen Syndrome By Proxy
Learn about Munchausen syndrome by proxy, in which someone exaggerates a child's symptoms or even causes the child's illness.
Mental Health and Histrionic Personality Disorder
Read about histrionic personality disorder, in which self-esteem depends on the approval and notice of others.
Warning Signs of Severe Depression
What are the warning signs of severe depression? Important facts you should know.
What Is Depression?
WebMD explains how to spot signs of clinical depression, from feelings of worthlessness to impaired concentration and fatigue.
Vagus Nerve Stimulation (VNS) for Depression
Vagus Nerve Stimulation is a treatment for chronic depression. WebMD provides information on what it how it works and explains the risks and benefits.