Not everyone who drinks is an alcoholic, but anyone whose life is negatively affected by alcohol on a consistent basis is considered to have an alcohol use disorder. The author of this book is an addiction medicine physician as well as an addict in recovery. This isn't just a book by some intelligent doctor trying to explain addiction in terms we can comprehend; this is a book by someone who has actually walked through the fire herself. She has an amazing talent for bringing us to a level of understanding to comprehend exactly what we need in order to grasp the inner workings of addiction. This is a must-read for all affected by addiction, whether oneself or a loved one.