The Truth About Opium is a book written by William H. Brereton that contains the substance of three lectures delivered at St. James's Hall. The book provides a comprehensive and insightful analysis of opium, its effects on the human body, and its impact on society. Brereton discusses the history of opium use, its medicinal properties, and the dangers of addiction. He also delves into the social and economic factors that have contributed to the widespread...