|Addiction Epidemiology studies the extend of the use of recreational drugs in a population, the reasons behind their use, substance-attributable harm and societal responses, the use of a key set of standardized indicators would increase the capacity of national, regional, and global observatories to reliably detect and interpret key trends, and make international comparisons. This study enables us to study and compare various factors responsible for addiction and ways to reduced or inhibit addiction. The 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.