|Psychiatric Epidemology is a sub-field of epidemology which deals with the concept, etiology and prevalence of mental illness in a society. Most characteristics , attitude of people is often influenced by the society and hence a certain population has some features in common, thus leading the certain type of psychiatric diseases common to a population and if this is detection the population can be treated on the whole. Psychiatric Epidemology is comparitively a new field epidemology which is gaining attention and plenty research is still being carried out. Peer review refers to the work done during the screening of submitted manuscripts and funding applications. This process encourages authors to meet the accepted standards of their discipline and reduces the dissemination of irrelevant findings, unwarranted claims, unacceptable interpretations, and personal views. Publications that have not undergone peer review are likely to be regarded with suspicion by academic scholars and professionals.