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The layman's definition of addiction is a "fact or condition of being addicted to a particular substance, thing, or activity." Medically it is a "chronic, relapsing disorder characterized by compulsive drug seeking, continued use despite harmful consequence, and long-lasting changes in the brain." This current Oxford English dictionary definition can be traced back to Roman law in which addiction was a "formal giving over by sentence of the court."[1] The concept finds meaning in the relinquishment of control by the "addicted" person identical to how drug-dependent patients succumb to the cravings for their drug of choice. Two main concepts of addiction involve substance addiction (drug addiction), which is a neuropsychiatric disorder characterized by a repeating desire to take a drug continuously despite the drug's harmful consequences. Non-substance addiction (behavioral addiction) does not involve a drug but includes similar behaviors as when one uses a drug such as pathological gambling, food addiction, internet addiction, gaming, sex addiction, and mobile phone addiction.[2], (Copyright © 2022, StatPearls Publishing LLC.)

Narcissistic personality disorder (NPD) is a pattern of grandiosity, need for admiration, and lack of empathy per the Diagnostic and Statistical Manual of Mental Disorders ( DSM –5). The disorder is classified in the dimensional model of "Personality Disorders."NPD is highly comorbid with other disorders in mental health. Persons with NPD can often present with impairment in maintaining work and relationships.[1] NPD is highly prevalent in society; however, there has been limited research on the same. Given the limited research on the same and differences in the diagnosis of the disease, it was initially going to be discontinued from the DSM.NPD is under the umbrella of Cluster B personality disorders, which include antisocial personality disorder, histrionic personality disorder, and borderline personality disorder. Cluster B typically presents with overtly emotional and unpredictable behavior.[2]  NPD has been associated with the concept of " development." "Development" has been central to studies that have been done to understand the psychopathology and etiology of NPD. Experts such as Otto Kernberg and Eve Caligor have introduced more standardized evaluation tools to understand the disorder. Due to NPD comorbidity with other mental disorders and its elevated medical, social, and psychiatric complications, and a gap of knowledge about the disorder, understanding NPD is warranted. This paper aims to cover the gap and incite more research on NPD., (Copyright © 2021, StatPearls Publishing LLC.)

Worldwide, medical education went through significant changes due to concerns for the safety of patients. Medical errors result in as many as 98000 deaths per year in the United States of America. Changes in instructional methods have resulted in ingenious medical curricula, and one of the changes was the universally accepted proficiency in clinical skills, which constitute an essential learning outcome. The challenge for medical undergraduates is the application of theoretical knowledge to the management of patients. Simulation-based learning becomes a necessary tool as a new teaching method for undergraduate and postgraduate education.[1][2] Simulation of real-life experiences develops skills for better communication between members, rapid thinking, able to cope with new crises medical situations to make medical decisions on the spur of the moment.[3] Simulation can take part in many settings, including a medical floor, classroom, or even online.[4] Required specific skills and attitudes are part of the training in psychiatry. These skills and approaches must be experienced and not merely memorized. Medical simulation in psychiatry via appropriate training may be particularly adaptable to this situation.[5], (Copyright © 2021, StatPearls Publishing LLC.)