Learn about narcissism , a trait or disorder that involves extreme self-involvement and disregard for others. Find out the types, causes, signs, and how to deal with a narcissist. Traits of narcissism may be adaptive or maladaptive. On a spectrum, narcissism can be overt, covert, antagonistic, communal, or malignant. Narcissistic personality disorder is a formal mental health diagnosis. It is not a personal choice or type of personality. Learn more about symptoms and causes.

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