Book excerpt: Medical Nutrition Therapy introduces the fundamentals of nutrition assessment and therapy, and revisits this concepts throughout the changing context of various disease states. The text utilize a cased based approach which incorporates problem-based learning and engages the reader in various clinically based scenarios after discussing the core science of the subject matter. Each chapter opens with a case study and details and further information from the case are woven throughout the chapter in order to reinforce the relevance of various topics. Chapter cases go on to discuss how the nutrition care process can be applied to the case.