Take the Interactive Tour! Nutrition, Third Edition, fully integrates MyPyramid And The 2005 Dietary Guidelines . The Third Edition is current, accurate, and offers a balanced presentation of behavioral change And The science of nutrition. it covers topics and issues that concern students and encourages them to actively participate and think about how the material they're reading relates to their own lives. Nutrition, Third Edition, covers important biological and physiological phenomena, including emulsification, glucose regulation, digestion and absorption, and fetal development as well as familiar topics such as nutritional supplements, weight management, and exercise.