For

by Carol Ann Rinzler

WILEY

Wiley Publishing, Inc.

Nutrition For Dummies'® 4th Edition

Published by Wiley Publishing, Inc.

111 River St. Hoboken, NJ 07030-5774 www.wiley.com

Copyright © 2006 by Wiley Publishing, Inc., Indianapolis, Indiana Published simultaneously in Canada

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Library of Congress Control Number: 2006925913

ISBN-13: 978-0-471-79868-2

ISBN-10: 0-471-79868-1

Manufactured in the United States of America 10 9 8 7 6 5 4 3 2 1

WILEY

About the Author

Carol Ann Rinzler is a noted authority on health and nutrition and holds an MA from Columbia University. She has written a nutrition column for the New York Daily News and is the author of more than 20 health-related books, including Controlling Cholesterol For Dummies, Weight Loss Kit For Dummies, and the highly acclaimed Estrogen and Breast Cancer: A Warning to Women. Rinzler lives in New York with her husband, wine writer Perry Luntz, and their amiable cat, Kat.

Dedication

This book is dedicated to my husband, Perry Luntz, a fellow writer who, as always, stayed patient as a saint and even-tempered beyond belief while I was racing pell-mell (and not always pleasantly) to deadline.

Author's Acknowledgments

This new edition of Nutrition For Dummies has given me the opportunity to work with yet another group of thoroughly pleasant professionals at the Dummies group of Wiley Publishing. Acquisitions Editor Michael Lewis enthusiastically welcomed the new edition and kept the project moving smoothly. Senior Project Editor Natalie Harris was incredibly soothing to the author, not to mention totally in command of the hundreds, maybe even thousands, of details it takes to update a nutrition book. I appreciate Danielle Voirol, maybe more than she knows; medical and science writers understand very well that without skillful, knowledgeable copy editors, we would be walking over factual cliffs every day of our writing lives. Finally, I am grateful to Alfred Bushway, PhD, for once again reading and commenting on the manuscript. Thanks, guys.

Publisher's Acknowledgments

We're proud of this book; please send us your comments through our Dummies online registration form located at www.dummies.com/register/.

Some of the people who helped bring this book to market include the following:

Acquisitions, Editorial, and Media Development

Project Editor: Natalie Faye Harris

(Previous Edition: Alissa Schwipps)

Acquisitions Editor: Mike Lewis

(Previous Edition: Natasha Graf)

Copy Editor: Danielle Voirol

(Previous Edition: Neil Johnson)

Editorial Program Coordinator: Hanna K. Scott

Technical Editor: Alfred Bushway, PhD

Editorial Manager: Christine Beck

Editorial Assistants: Erin Calligan, Nadine Bell, David Lutton

Cover Photo: © Ron Chapple/Thinkstock/ PictureQuest

Cartoons: Rich Tennant

(www.the5thwave.com)

Composition Services

Project Coordinator: Tera Knapp

Layout and Graphics: Carl Byers, Andrea Dahl, Brooke Graczyk, Joyce Haughey, Stephanie D. Jumper, Barbara Moore, Barry Offringa, Jill Proll

Proofreaders: Leeann Harney, Jessica Kramer, Dwight Ramsey, Techbooks

Indexer: Techbooks

Publishing and Editorial for Consumer Dummies

Diane Graves Steele, Vice President and Publisher, Consumer Dummies Joyce Pepple, Acquisitions Director, Consumer Dummies Kristin A. Cocks, Product Development Director, Consumer Dummies Michael Spring, Vice President and Publisher, Travel Kelly Regan, Editorial Director, Travel Publishing for Technology Dummies

Andy Cummings, Vice President and Publisher, Dummies Technology/General User Composition Services

Gerry Fahey, Vice President of Production Services Debbie Stailey, Director of Composition Services

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