You've probably heard the phrase "you are what you eat." This text gives you a better understanding of the phrase and hits home with the simple but obvious truth: you really are what you eat! Nutrition: Concepts and Controversies has been a cornerstone in nutrition classes across North America, serving the needs of students and professors in building a healthier future. In keeping with our tradition, in this, the third Canadian edition, we explore the ever-changing frontier of nutrition science in Canada while maintaining our sense of personal connection with students and instructors alike. We address the learner in clear, engaging writing but with a crispness that we hope you will enjoy.