Book excerpt: The publication of this book serves two great purposes. First, it spreads the word about new functional food products for chronic diseases such as hypertension, diabetes, and obesity to the general public. It not only introduces new functional foods, but also shows the investigations and research that led to their creation. Second, the book preserves the numerous ideas and contributions made in the field. This shows the progress and evolution of this thriving field, with the power to change the lives of millions of people. The forever growing field of functional foods brings together research scientists, food manufacturers and consumers who are committed to this issue through modern achievements of surgical approaches and potential of drug therapy, where particular emphasis is placed on the unresolved problems of pharmaceutical side effects.