"Personality traits fall on a continuum. In relation to personality disorder (PD), we mean people whose behaviour often, rather than occasionally, falls at the extreme," explains Dr Naomi Murphy, clinical psychologist, clinical director of the Fens Service for Men with Personality Disorder, and co-author of Treating Personality Disorder. "To be diagnosed with PD you must be over 18 and have experienced difficulties over several years and in multiple areas of your life."
This is a companion discussion topic for the original article at https://patient.info/news-and-features/spotting-the-signs-of-a-personality-disorder