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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.
Major depressive disorder (MDD) is a common, treatable mental illness. Major depression, sometimes referred to as clinical depression, is part of a category known as mood disorders.. Mood disorders also include cyclothymia, bipolar disorder and dysthymia.