Salts and Senna: A Cathartic in Seven Doses (1869) is a medical book written by an anonymous author. The book provides a detailed analysis of the effects of salts and senna on the human body and their use as a cathartic. The author explains the seven different doses of the cathartic, providing guidance on how to administer them safely and effectively.The book begins with an introduction to the basic principles of catharsis, explaining how salts and...