Connect, engage, and interact with core concepts in Ellie Whitney and Sharon Rady Rolfes' UNDERSTANDING NUTRITION. UNDERSTANDING NUTRITION UPDATE is pre-packaged with a laminated supplement which includes the new Dietary Guidelines for Americans, 2010, updates to Healthy People 2020, and updates to the DRIs for calcium, vitamin D, and sodium in order to provide you the most current information. This best-selling book will help you excel in your introductory nutrition course as it guides you in applying the most current nutrition research and demonstrates the relevance of nutrition to your own life. UNDERSTANDING NUTRITION is at the forefront of the latest advances in human nutrition--helping you understand what the scientific research reveals about human nutrition and health. The authors begin with the basic concepts, including an introduction to the nutrients, and then lead you through every important topic covered in your nutrition course. Linked chapter by chapter to CengageNOW and WebTutor, these online resources provide you with PERSONALIZED STUDY tools, pop-up tutors, and animations that clarify complex processes and much more. The Twelfth Edition features everything you need to connect and engage in UNDERSTANDING NUTRITION.