This book deals with recent perspectives on the panel of addiction behavior in a vast amount of population (young and adult). Thanks to the contribution of experts of the topic of addiction the volume will furnish new perspectives to formulate assessment, diagnosis and intervention in response to the increasing variety of addictions. It focuses the assessment of executive functions in substance and behavioral addictions. More specifically, this assessment consists of a new approach not only inherent to the diagnosis, but also to the treatment and prevention of addictions. In fact, there is a strict relationship between executive functions (EF) and addictive behavior: EF plays a remarkable role in significant phenomena for the treatment of addictions, such as craving, relapse and compliance to treatment.