|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. The top open access journals are peer reviewed scholarly journals of Addiction Research and Therapy. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community.