This book explores the science behind why we become addicted to drugs or alcohol, and why it is so hard to stop. It is a guided tour through the biological and psychological make-up of alcoholism and other forms of addiction. It leads the reader through the brain biology, the genetics, and the psychology of this disease, and of recovery from it. The author has a medical education (MD degree and graduate studies) and is currently involved in addictions research. The author is also an addict and alcoholic in recovery, giving a unique perspective. The information is presented in a way that makes it accessible for everyone, and enjoyable to read. The main audience for this book is the alcoholic or addict and those who love them and wish to help and understand them. However, this book will also prove interesting and helpful to those who work in a field where they may be exposed to addictions: teachers, medical professionals, addictions workers, counsellors and therapists, clergy, and those who sponsor people in recovery. The book also explores how to use the science to strengthen recovery from this disease, and uses the 12 Steps as a framework for applying the science to recovery. The 12 Step program was chosen because it is highly consistent with all aspects of the science of addictions. Also explored is the intimate ties between addictions and mental illness. The book takes a positive and upbeat approach to recovery from alcoholism and addiction, and a fun approach to presenting the information.