Alcohol, its history, variations and effects is a subject which has interested people for centuries. In recent years its role in society, especially in relation to accidents and alcoholism, has been of great concern throughout the world. This book explores all of these topics. It discusses the technical aspects of the pharmacology, chemistry and analysis of alcohol in a straightforward manner. The relationship between alcohol consumption and breath and alcohol levels is carefully explained. Legal limits for drinking and driving are dealt with in relation to the possibility of being involved in an accident. Legislation and international approaches to dealing with drink-drive problems are discussed and the scientific aspects of alcohol measurement and analysis are dealt with in a concise manner. The lawyer, the scientist, the sociologist and the road user should find this book of equal value. It bridges the technical barriers and guides the reader through the subject to an increased understanding of alcoholic drinks, social responsibility and the law.