Includes bibliographical references and appendices.

billboard in Louisiana reads,"Come as you are.Leave dif-Aferent,"meaning that once you've seen,smelled. tasted.and listened to Louisiana,you'll never be the same.This bookextends the same invitation to its readens: come to nutritionscience as you are,with all of the knowledge and enthusiasmyou possess,with all of your unanswered questions and mis-conceptions,and with the habits and preferences that now dic-tate what you eat.
But leave different.Take with you from this study a morecomplete understanding of nutrition science. Take a greaterability to discern between nutrition truth and fiction, to asksophisticated questions,and to find the answers. Finally,takewith you a better sense of ho to feed yourself in ways that notonly please you and soothe your spirit but nourish your bodyas well.
For almost half a century,Nutrition:Concepts and Controver-sies has been a cornerstone of nutrition classes across NorthAmerica,serving the needs of students and professors.In keep-ing with our tradition, in this, our 16th edition,we continueexploring the ever-changing frontier of nutrition science.con-fronting its mysteries through its scientific roots.We not onlyembrace the power of electronic media in education,but wealso maintain our sense of personal connection with instruc-tors and learners,writing for them in the clear,informal stylethat has always been our trademark.