This book is a collection of contributions by a specialist on the topic of health and deals with various digestive issues such as constipation, diarrhea, biliousness, indigestion, auto-infection, and proctitis. Despite the repetition of certain topics, the author believes it is useful for the reader to have a comprehensive understanding of the subject. The book was written for intelligent laypeople, but the content provided here may be useful even for general practitioners. The author believes that reading the whole book is better than just reading individual chapters, especially for those suffering from the aforementioned complaints.