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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.
~ 1 min read. Five major mental illnesses â depression, bipolar disorder, ADHD, schizophrenia and autism â are traceable to the same inherited genetic variations, according to the largest genome-wide study of its kind. These variations account for 17-28 percent of mental illness risk.