This text presents core information for an introductory nutrition course. Each chapter includes a section examining current and often controversial topics, such as functional foods and food biotechnology. Learning features include margin definitions and a glossary, health promotion advice, and interesting facts, plus exercises on nutrition-related calculations, Internet activities, and study questions. This ninth edition contains new information on genetics, phytochemicals, antioxidants, and alternative therapies. Whitney was formerly on the faculty at Florida State University. She is a dietician registered with the American Dietetic Association. Rolfes is a founding member of a nutrition information resource center. c. Book News Inc. -- Distributed by Syndetics Solutions, LLC.