This book serves as a definitive nutritional reference for medical practitioners who care for patients with digestive diseases. This first-of-its-kind title explores the critical link between nutrition and weight and digestive health and organizes the necessary information for easy use for clinicians across specialties. The book is divided into four sections, the first section outlines basic nutritional concepts that lay a foundation for future chapters. This includes discussion of the gastrointestinal tract's role in digestion and metabolism, an outline of dietary composition and associated deficiencies, and a review of nutritional assessment and general therapeutic principles. Next, the second section outlines dietary and nutritional implications of specific digestive diseases organized by affected gastrointestinal organs. Following this, the third section discusses appetite regulation, weight management, and obesity's association with gastrointestinal diseases. It also discusses the importance of comprehensive, multi-disciplinary obesity care including a review of dietary, pharmacological, endoscopic, and surgical options that promote weight loss. In concluding the book, the fourth section discusses foundational nutritional support concepts. Nutrition, Weight, and Digestive Health is an invaluable reference for medical practitioners seeking a title that explores important and revolutionary elements to the medical care of those with digestive diseases.