1 Log In or Register to Book Your Video Visit. Please log in to your MD.com account or sign up to continue booking your video visit: 2  Log In or Register to Book Your Office Visit. Please log in to your MD.com account or sign up to continue booking your office visit:
Donald Trump appears to be exhibiting many of the outward characteristics of Narcissistic Personalty Disorder (NPD). NPD is a defect in oneâs personality that manifests as an excessive mental preoccupation with oneself â usually to the detriment of everyone else.
Manic depression, or bipolar disease, is another serious mental disorder that has both mania (excessively high moods) and depression (very low, helpless moods). The genetic component is similar to schizophrenia, in that it can run in families and that a person may inherit a `tendency` to develop the disorder.