Some of us knowingly or unknowingly indulge into some habits which eventually lead to addiction over a period of time. Addiction is the stronger form of habit which can be referred to as a compulsive disorder. This book aims to bring fourth some of the unexplored aspects of addiction and recent researches in this field. Different approaches, evaluations, methodologies and advanced studies have been included in it. This book serves as a reference to a wide spectrum of readers. It aims to understand the various factors that stimulate and facilitate addiction. It also sheds light on behavioral addiction along with methods for diagnosis and treatment therapies. It covers some existent theories and innovative concepts revolving around addiction.