Alcohol use disorder refers to a condition where a person drinks excessive alcohol resulting in mental and physical health problems. It can be categorized into two types, alcohol abuse and alcohol dependence. It occurs due to the constant intake of a large amount of alcohol. The person faces difficulty in cutting down alcohol intake and desires alcohol strongly. Genetic and environmental factors increase the risk of the development of alcoholism. The diagnosis, prevention and treatment of alcohol use disorder are under the domain of addiction medicine. The diagnosis of alcohol use disorder is done with the help of screening, social barriers, urine and blood test, etc. Alcoholism can be managed by detoxification, medication, psychological therapy, etc. The book presents researches and studies performed by experts across the globe. It aims to shed light on some of the unexplored aspects of alcohol use disorder and recent researches in this field. Those in search of information to further their knowledge will be greatly assisted by this book.