Narcissistic traits can be noted, but NPD currently cannot be diagnosed until the age of 18, as personality is thought to be variable until adulthood. Children as young as 2 years old can show ...

Learn about the symptoms of narcissistic personality disorder (NPD), how doctors diagnose the condition, treatment options, and more.

Durvasula says there’s a difference between narcissistic personality disorder — which is a classification in the Diagnostic and Statistical Manual of Mental Disorders — and the way people ...