Based on his article on his website, www.menninger.edu, he says that it is “quite real”. Multiple Personality Disorder is also seen as something that is manufactured in the patient by the psychologist or a psychological fad, something that is not a real disease and does not occur naturally. There are many reasons for this belief. According to the website www.religioustolerance.org, “MPD is an iatrogenic disorder, unknowingly created by the interaction of a therapist and patient”.