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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.
Ethically speaking, mental health experts are supposed to refrain from publicly offering diagnoses for politicians. And so, for the most part, doctors and psychiatrists have refrained from joining in on the internet speculation that President Donald Trump has narcissistic personality disorder, dementia, or another condition. 1  But that changed in Tuesday's New York Times, in a very public way.