This title includes a number of Open Access chapters.The field of clinical nutrition as a whole seeks to consider the nutrition of patients within the healthcare system, paying attention to the interactions between diet, nutrition, and disease. To that end, this book discusses nutrition as both a contributing and managing factor in relation to diseases such as obesity and diabetes. It also presents malnutrition as a contributing factor to such diseases and considers the efficacy of micronutrient supplementation. It ends by looking at some of the recent developments and future trends in the field of clinical nutrition.