Higher Education

Understanding Nutrition, 14th Edition

  • Eleanor Noss Whitney
  • Sharon Rady Rolfes
  • ISBN-10: 128587434X  |  ISBN-13: 9781285874340
  • 928 Pages
  • Previous Editions: 2013, 2011, 2011
  • © 2016 | Published
  • College Bookstore Wholesale Price = $215.25
  • Newer Edition Available

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About

Overview

More than one million readers make UNDERSTANDING NUTRITION the best-selling introductory nutrition text on the market today! Now in its 14th Edition, this book maintains the quality and support that discerning instructors demand for nutrition majors while providing the strong science and nutrition basics that are ideal at introductory levels. New and updated topics enhance every chapter, while the emphasis on active learning and assignable content helps students advance their knowledge and future careers. Connecting with readers through an approachable writing style and a carefully developed art program, UNDERSTANDING NUTRITION, 14th Edition continues to set the standard for introductory nutrition texts. The companion online program, MindTap for Nutrition, is available separately and offers an engaging, customizable compliment to this class-leading textbook.

Features and Benefits

  • Complete and Relevant: The early chapters introduce the nutrients and their work in the body, and the later chapters apply that information to people's lives.
  • Highlights: Every chapter is followed by a highlight that provides readers with an in-depth look at a current, and often controversial, topic that relates to its companion chapter.
  • Diet Tracking: At the end of each chapter, "Nutrition Portfolio" sections invite students to evaluate their own dietary choices and set healthy goals through activities in the Diet & Wellness Plus digital app.
  • "How To" Tasks: These in-text sections help readers develop practical skills, such as calculating energy intake from carbohydrate, fat, and protein. A "Try It" activity follows each section for plenty of practice.

Table of Contents

1. An Overview of Nutrition.
Food Choices. The Nutrients. The Science of Nutrition. Dietary Reference Intakes. Nutrition Assessment. Diet and Health. Highlight 1: Nutrition Information and Misinformation.
2. Planning a Healthy Diet.
Principles and Guidelines. Diet-Planning Guides. Food Labels. Highlight 2: Vegetarian Diets.
3. Digestion, Absorption, and Transport.
Digestion. Absorption. The Circulatory Systems. The Health and Regulation of the GI Tract. Highlight 3: Common Digestive Problems.
4. The Carbohydrates: Sugars, Starches, and Fibers.
The Chemist''s View of Carbohydrates. Digestion and Absorption of Carbohydrates. Glucose in the Body. Health Effects and Recommended Intakes of Sugars. Health Effects and Recommended Intakes of Starch and Fibers. Highlight 4: Carbs, kCalories, and Controversies.
5. The Lipids: Triglycerides, Phospholipids, and Sterols.
The Chemist''s View of Fatty Acids and Triglycerides. The Chemist''s View of Phospholipids and Sterols. Digestion, Absorption, and Transport of Lipids. Lipids in the Body. Health Effects and Recommended Intakes of Saturated Fats, Trans Fats, and Cholesterol. Health Effects and Recommended Intakes of Monounsaturated and Polyunsaturated Fats. Highlight 5: High-Fat Foods—Friend or Foe?
6. Protein: Amino Acids.
The Chemist''s View of Proteins. Digestion and Absorption of Proteins. Proteins in the Body. Protein in Foods. Health Effects and Recommended Intakes of Protein. Highlight 6: Nutritional Genomics.
7. Energy Metabolism.
Chemical Reactions in the Body. Breaking Down Nutrients for Energy. Feasting and Fasting. Highlight 7: Alcohol in the Body.
8. Energy Balance and Body Composition.
Energy Balance. Energy In: The kCalories Foods Provide. Energy Out: The kCalories the Body Expends. Body Weight and Body Composition. Highlight 8: Eating Disorders.
9. Weight Management: Overweight, Obesity, and Underweight.
Overweight and Obesity. Causes of Overweight and Obesity. Problems of Overweight and Obesity. Aggressive Treatments for Obesity. Weight-Loss Strategies. Underweight.
Highlight 9: The Latest and Greatest Weight-Loss Diet—Again.
10. The Water-Soluble Vitamins: B Vitamins and Vitamin C.
The Vitamins—An Overview. The B Vitamins. Vitamin C. Highlight 10: Vitamin and Mineral Supplements.
11. The Fat-Soluble Vitamins, A, D, E, and K.
Vitamin A and Beta-Carotene. Vitamin D. Vitamin E. Vitamin K. Highlight 11: Antioxidant Nutrients in Disease Prevention.
12. Water and the Major Minerals.
Water and the Body Fluids. The Minerals—An Overview. The Major Minerals
Highlight 12: Osteoporosis and Calcium.
13. The Trace Minerals.
The Trace Minerals—An Overview. The Trace Minerals. Contaminant Minerals.
Highlight 13: Phytochemicals and Functional Foods.
14. Fitness: Physical Activity, Nutrients, and Body Adaptations.
Fitness. Energy Systems and Fuels to Support Activity. Vitamins and Minerals to Support Activity. Fluids and Electrolytes to Support Activity. Diets for Physically Active People. Highlight 14: Supplements as Ergogenic Aids.
15. Life Cycle Nutrition: Pregnancy and Lactation.
Nutrition prior to Pregnancy. Growth and Development during Pregnancy. Maternal Weight. Nutrition during Pregnancy. High-Risk Pregnancies. Nutrition during Lactation.
Highlight 15: Fetal Alcohol Syndrome.
16. Life Cycle Nutrition: Infancy, Childhood, and Adolescence.
Nutrition during Infancy. Nutrition during Childhood. Nutrition during Adolescence.
Highlight 16: Childhood Obesity and the Early Development of Chronic Diseases.
17. Life Cycle Nutrition: Adulthood and the Later Years.
Nutrition and Longevity. The Aging Process. Energy and Nutrient Needs of Older Adults
Nutrition-Related Concerns of Older Adults. Food Choices and Eating Habits of Older Adults. Highlight 17: Nutrient-Drug Interactions.
18. Diet and Health.
Nutrition and Infectious Diseases. Nutrition and Chronic Diseases. Cardiovascular Disease. Hypertension. Diabetes Mellitus. Cancer. Recommendations for Chronic Diseases. Highlight 18: Complementary and Alternative Medicine.
19. Consumer Concerns about Foods and Water.
Foodborne Illnesses. Nutritional Adequacy of Foods and Diets. Environmental Contaminants. Natural Toxicants in Foods. Pesticides. Food Additives. Consumer Concerns about Water. Highlight 19: Food Biotechnology.
20. Hunger and the Global Environment.
Hunger in the United States. World Hunger. Malnutrition. The Global Environment.
Highlight 20: Environmentally Friendly Food Choices.
Appendix A: Cells, Hormones, and Nerves.
Appendix B: Basic Chemistry Concepts.
Appendix C: Biochemical Structures and Pathways.
Appendix D: Measures of Protein Quality.
Appendix E. Nutrition Assessment.
Appendix F. Physical Activity and Energy Requirements.
Appendix G. Exchange Lists for Diabetes.
Appendix H. Table of Food Composition.
Appendix I. WHO Nutrition Recommendations.
Appendix J. Healthy People 2020.
Appendix K. Aids to Calculations.
Glossary.
Index.
Study Cards.

What's New

  • MindTap™ for Nutrition: You know what's best for your students and you can deliver it with MindTap! The clear and engaging learning path includes student learning tools—readings, Diet & Wellness Plus, pop-up tutors, activities, and assessments—and guides students through their course. Instructors can easily set their course by customizing the learning path and adding their favorite resources.
  • Thought Provoking Highlights: Each chapter "Highlight" now features Critical Thinking Questions designed to encourage readers to develop clear, rational, open-minded, and informed thoughts based on the evidence presented in the text.
  • New Tables: Added tables throughout the text include nutrient class summaries, glucose levels for diabetes, blood lipids for heart health, signs and symptoms of preeclampsia, tips to prevent listeriosis, protective factors in breast milk, hints for picky eaters, nutrient roles in immune function, and much more!
  • More Weight Loss: Information to support this always-topical issue includes new tables for estimating energy expended on basal metabolism or percent body fat at various BMI, FDA-approved weight loss drugs, national strategies to prevent obesity, and popular weight loss diets.
  • Fitness Facts: In addition to a revised section on general fitness, UNDERSTANDING NUTRITION, 14e delves into energy systems and fuels to support physical activity, primary fuels for activities at different intensities and durations, symptoms of heat stroke and hypothermia, and other weighty matters.

Alternate Formats

Choose the format that best fits your student's budget and course goals

To customize your learning solution, contact your Learning Consultant for more information.

  • Loose Leaf Edition

    ISBN-10: 1305396456 | ISBN-13: 9781305396456

    List Price = $171.95  | CengageBrain Price = $171.95  | College Bookstore Wholesale Price = $129.00

Learning Resource Bundles

Choose the textbook packaged with the resources that best meet your course and student needs. Contact your Learning Consultant for more information.

Printed Text + Diet and Wellness Plus, 1 term (6 months) Instant Access

ISBN-10: 1305620364  | ISBN-13: 9781305620360

List Price = $316.95  | CengageBrain Price = $316.95  | College Bookstore Wholesale Price = $237.75

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  • Diet and Wellness Plus, 1 term (6 months) Instant Access
    List Price = $30.00  | CengageBrain Price = $30.00  | College Bookstore Wholesale Price = $30.00
  • Understanding Nutrition
    List Price = $286.95  | CengageBrain Price = $286.95  | College Bookstore Wholesale Price = $215.25


Bundle: Text + Diet and Wellness Plus, 2 terms (12 months) Printed Access Card

ISBN-10:  1305620747  | ISBN-13:  9781305620742

List Price = $342.95  | College Bookstore Wholesale Price = $257.25

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  • Understanding Nutrition
    List Price = $286.95  | CengageBrain Price = $286.95  | College Bookstore Wholesale Price = $215.25
  • Diet and Wellness Plus, 2 terms (12 months) Printed Access Card
    List Price = $56.00  | College Bookstore Wholesale Price = $42.00


Bundle: Text + MindTap® Nutrition, 1 term (6 months) Printed Access Card

ISBN-10:  1305622324  | ISBN-13:  9781305622326

List Price = $342.95  | College Bookstore Wholesale Price = $257.25

This Bundle Includes:

  • Understanding Nutrition
    List Price = $286.95  | CengageBrain Price = $286.95  | College Bookstore Wholesale Price = $215.25
  • MindTap® Nutrition, 1 term (6 months) Printed Access Card
    List Price = $113.00  | College Bookstore Wholesale Price = $84.75


Bundle: Text + Diet and Wellness Plus, 1 term (6 months) Printed Access Card

ISBN-10:  1305622987  | ISBN-13:  9781305622982

List Price = $316.95  | College Bookstore Wholesale Price = $237.75

This Bundle Includes:

  • Diet and Wellness Plus, 1 term (6 months) Printed Access Card
    List Price = $30.00  | College Bookstore Wholesale Price = $22.50
  • Understanding Nutrition
    List Price = $286.95  | CengageBrain Price = $286.95  | College Bookstore Wholesale Price = $215.25


Printed Text + Diet and Wellness Plus, 2 terms (12 months) Instant Access

ISBN-10:  1305622960  | ISBN-13:  9781305622968

List Price = $342.95  | CengageBrain Price = $342.95  | College Bookstore Wholesale Price = $257.25

This Bundle Includes:

  • Diet and Wellness Plus, 2 terms (12 months) Instant Access
    List Price = $56.00  | CengageBrain Price = $56.00  | College Bookstore Wholesale Price = $56.00
  • Understanding Nutrition
    List Price = $286.95  | CengageBrain Price = $286.95  | College Bookstore Wholesale Price = $215.25


ePack: Printed Text + MindTap® Nutrition, 1 term (6 months) Instant Access

ISBN-10:  1305622332  | ISBN-13:  9781305622333

List Price = $342.95  | CengageBrain Price = $342.95  | College Bookstore Wholesale Price = $257.25

This Bundle Includes:

  • Understanding Nutrition
    List Price = $286.95  | CengageBrain Price = $286.95  | College Bookstore Wholesale Price = $215.25
  • MindTap® Nutrition, 1 term (6 months) Instant Access for Whitney/Rolfes Understanding Nutrition
    List Price = $113.00  | CengageBrain Price = $113.00  | College Bookstore Wholesale Price = $113.00


ePack: Understanding Nutrition, Loose-leaf Version, 14th + MindTap® Nutrition, 1 term (6 months) Instant Access

ISBN-10:  1305622316  | ISBN-13:  9781305622319

List Price = $158.95  | CengageBrain Price = $158.95  | College Bookstore Wholesale Price = $119.75

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  • MindTap® Nutrition, 1 term (6 months) Instant Access for Whitney/Rolfes Understanding Nutrition
    List Price = $113.00  | CengageBrain Price = $113.00  | College Bookstore Wholesale Price = $113.00
  • Understanding Nutrition, Loose-leaf Version
    List Price = $171.95  | CengageBrain Price = $171.95  | College Bookstore Wholesale Price = $129.00


Bundle: Understanding Nutrition, Loose-leaf Version, 14th + MindTap® Nutrition, 1 term (6 months) Printed Access Card

ISBN-10:  1305616707  | ISBN-13:  9781305616707

List Price = $158.95  | College Bookstore Wholesale Price = $119.75

This Bundle Includes:

  • Understanding Nutrition, Loose-leaf Version
    List Price = $171.95  | CengageBrain Price = $171.95  | College Bookstore Wholesale Price = $129.00
  • MindTap® Nutrition, 1 term (6 months) Printed Access Card
    List Price = $113.00  | College Bookstore Wholesale Price = $84.75


ePack: eBook: Understanding Nutrition + Diet Analysis Plus, 1 term (6 months) Instant Access

ISBN-10:  1337068845  | ISBN-13:  9781337068840

List Price = $76.49  | CengageBrain Price = $76.49  | College Bookstore Wholesale Price = $76.49

This Bundle Includes:

  • eBook: Understanding Nutrition
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  • Diet Analysis Plus 1-Semester Instant Access
    List Price = $30.00  | CengageBrain Price = $30.00  | College Bookstore Wholesale Price = $30.00


ePack: Understanding Nutrition eBook, 14e + Diet and Wellness Plus, 1 term (6 months) Instant Access

ISBN-10:  1337603740 | ISBN-13:  9781337603744

List Price = $101.49  | CengageBrain Price = $101.49  | College Bookstore Wholesale Price = $101.49

This Bundle Includes:

  • eBook: Understanding Nutrition
    List Price = $71.49  | CengageBrain Price = $71.49  | College Bookstore Wholesale Price = $71.49
  • Diet and Wellness Plus, 1 term (6 months) Instant Access
    List Price = $30.00  | CengageBrain Price = $30.00  | College Bookstore Wholesale Price = $30.00


Supplements

All supplements have been updated in coordination with the main title. Select the main title's "About" tab, then select "What's New" for updates specific to title's edition.

For more information about these supplements, or to obtain them, contact your Learning Consultant.

Instructor Supplements

Instructor's Companion Website  (ISBN-10: 1305386590 | ISBN-13: 9781305386594)

The Instructor Companion Website has everything you need for your course in one place! This collection of book-specific lecture and class tools is available online via www.cengage.com/login. Access and download PowerPoint presentations, images, instructor's manual, videos, and more.

Cengage Learning Testing, powered by Cognero® Instant Access  (ISBN-10: 1305265645 | ISBN-13: 9781305265646)

Cengage Learning Testing Powered by Cognero® is a flexible, online system that allows you to: import, edit, and manipulate content from the text's test bank or elsewhere, including your own favorite test questions; create multiple test versions in an instant; and deliver tests from your LMS, your classroom, or wherever you want.

Diet and Wellness Plus, 1 term (6 months) Instant Access  (ISBN-10: 128585621X | ISBN-13: 9781285856216)

Diet & Wellness Plus helps you understand how nutrition relates to your personal health goals. Track your diet and activity, generate reports, and analyze the nutritional value of the food you eat. Diet & Wellness Plus includes over 75,000 foods as well as custom food and recipe features. The new Behavior Change Planner helps you identify risks in your life and guides you through the key steps to make positive changes.

List Price = $30.00  | CengageBrain Price = $30.00  | College Bookstore Wholesale Price = $30.00

Diet and Wellness Plus, 2 terms (12 months) Instant Access  (ISBN-10: 1285856201 | ISBN-13: 9781285856209)

Diet & Wellness Plus helps you understand how nutrition relates to your personal health goals. Track your diet and activity, generate reports, and analyze the nutritional value of the food you eat. Diet & Wellness Plus includes over 75,000 foods as well as custom food and recipe features. The new Behavior Change Planner helps you identify risks in your life and guides you through the key steps to make positive changes.

List Price = $56.00  | CengageBrain Price = $56.00  | College Bookstore Wholesale Price = $56.00

MindTap® Nutrition, 1 term (6 months) Instant Access for Whitney/Rolfes Understanding Nutrition  (ISBN-10: 1305406311 | ISBN-13: 9781305406315)

You know what's best for your students and you can deliver it with MindTap! The clear and engaging learning path includes student learning tools—readings, Diet & Wellness Plus, pop-up tutors, activities, and assessments—and guides students through their course. Instructors can easily set their course by customizing the learning path and adding their favorite resources.

List Price = $113.00  | CengageBrain Price = $113.00  | College Bookstore Wholesale Price = $113.00

LMS Integrated for MindTap® Nutrition, 1 term (6 months) Instant Access  (ISBN-10: 1305407156 | ISBN-13: 9781305407152)

Cengage Learning has partnered with leading LMS providers to deliver seamless access to our premier learning solutions from the environment that is most comfortable and familiar to you and your students. This allows students get up and running quickly and for you to enhance and customize your course with learning activities that will elevate thinking and improve course outcomes.

List Price = $113.00  | CengageBrain Price = $113.00  | College Bookstore Wholesale Price = $113.00

MindTap® Nutrition, 2 terms (12 months) Instant Access  (ISBN-10: 1337397628 | ISBN-13: 9781337397629)

You know what's best for your students and you can deliver it with MindTap! The clear and engaging learning path includes student learning tools—readings, Diet & Wellness Plus, pop-up tutors, activities, and assessments—and guides students through their course. Instructors can easily set their course by customizing the learning path and adding their favorite resources.

List Price = $150.00  | CengageBrain Price = $150.00  | College Bookstore Wholesale Price = $150.00

LMS Integrated for MindTap® Nutrition, 2 terms (12 months) Instant Access  (ISBN-10: 1337293261 | ISBN-13: 9781337293266)

Cengage Learning has partnered with leading LMS providers to deliver seamless access to our premier learning solutions from the environment that is most comfortable and familiar to you and your students. This allows students get up and running quickly and for you to enhance and customize your course with learning activities that will elevate thinking and improve course outcomes.

List Price = $150.00  | CengageBrain Price = $150.00  | College Bookstore Wholesale Price = $150.00

2015-2020 Dietary Guidelines Supplement  (ISBN-10: 1337110086 | ISBN-13: 9781337110082)

This supplement lists the guidelines and key recommendations from the 2015-2020 Dietary Guidelines for Americans. The revised guidelines “encourage healthy eating patterns, recognize that individuals will need to make shifts in their food and beverage choices to achieve a healthier pattern, and acknowledge that all segments of our society have a role to play in supporting healthy choices."

List Price = $17.95  | CengageBrain Price = $17.95  | College Bookstore Wholesale Price = $13.50

Student Supplements

Diet and Wellness Plus, 1 term (6 months) Instant Access  (ISBN-10: 128585621X | ISBN-13: 9781285856216)

Engage your students with Diet & Wellness Plus! Demonstrating the relevance of your course, this program helps students gain a better understanding of how nutrition relates to their personal health goals. It enables them to track their diet and activity, generate reports, and analyze the nutritional value of the food they eat. Diet & Wellness Plus includes over 55,000 foods as well as custom food and recipe features. The new Behavior Change Planner helps students identify risks in their lives and guides them through the key steps to make positive changes.

List Price = $30.00  | CengageBrain Price = $30.00  | College Bookstore Wholesale Price = $30.00

Diet and Wellness Plus, 2 terms (12 months) Instant Access  (ISBN-10: 1285856201 | ISBN-13: 9781285856209)

Engage your students with Diet & Wellness Plus! Demonstrating the relevance of your course, this program helps students gain a better understanding of how nutrition relates to their personal health goals. It enables them to track their diet and activity, generate reports, and analyze the nutritional value of the food they eat. Diet & Wellness Plus includes over 55,000 foods as well as custom food and recipe features. The new Behavior Change Planner helps students identify risks in their lives and guides them through the key steps to make positive changes.

List Price = $56.00  | CengageBrain Price = $56.00  | College Bookstore Wholesale Price = $56.00

MindTap® Nutrition, 1 term (6 months) Instant Access for Whitney/Rolfes Understanding Nutrition  (ISBN-10: 1305406311 | ISBN-13: 9781305406315)

MindTap™ Nutrition for Whitney/Rolfes' Understanding Nutrition, 14th Edition provides you with the tools you need to better manage your limited time -- you can complete assignments whenever and wherever you are ready to learn with course material specially customized for you by your instructor and streamlined in one proven, easy-to-use interface. With an array of tools and apps -- from flashcards to note taking -- you'll get a true understanding of course concepts, helping you to achieve better grades and setting the groundwork for your future courses. Diet &Wellness Plus is a handy app in MindTap that helps you understand how nutrition relates to personal health goals. You can track diet and activity, generate reports, and analyze the nutritional value of the food you eat -- all from a smart phone, tablet, or PC. Diet & Wellness Plus includes more than 55,000 foods, as well as custom food and recipe features. Access to this product is valid for 6 months of usage.

List Price = $113.00  | CengageBrain Price = $113.00  | College Bookstore Wholesale Price = $113.00

LMS Integrated for MindTap® Nutrition, 1 term (6 months) Instant Access  (ISBN-10: 1305407156 | ISBN-13: 9781305407152)

This access code will provide you with seamless access to your MindTap™ Nutrition resources from within your campus Learning Management System. You will be prompted to enter this access code the first time that you click on a link in your course that includes Cengage content.

List Price = $113.00  | CengageBrain Price = $113.00  | College Bookstore Wholesale Price = $113.00

MindTap® Nutrition, 2 terms (12 months) Instant Access  (ISBN-10: 1337397628 | ISBN-13: 9781337397629)

MindTap™ Nutrition for Whitney/Rolfes' Understanding Nutrition, 14th Edition, provides you with the tools you need to better manage your limited time -- you can complete assignments whenever and wherever you are ready to learn with course material specially customized for you by your instructor and streamlined in one proven, easy-to-use interface. With an array of tools and apps -- from flashcards to note taking -- you'll get a true understanding of course concepts, helping you to achieve better grades and setting the groundwork for your future courses. Diet &Wellness Plus is a handy app in MindTap that helps you understand how nutrition relates to personal health goals. You can track diet and activity, generate reports, and analyze the nutritional value of the food you eat -- all from a smart phone, tablet, or PC. Diet & Wellness Plus includes more than 55,000 foods, as well as custom food and recipe features. Access to this product is valid for 12 months of usage.

List Price = $150.00  | CengageBrain Price = $150.00  | College Bookstore Wholesale Price = $150.00

LMS Integrated for MindTap® Nutrition, 2 terms (12 months) Instant Access  (ISBN-10: 1337293261 | ISBN-13: 9781337293266)

This access code will provide you with seamless access to your MindTap™ Nutrition resources from within your campus Learning Management System. You will be prompted to enter this access code the first time that you click on a link in your course that includes Cengage content.

List Price = $150.00  | CengageBrain Price = $150.00  | College Bookstore Wholesale Price = $150.00

2015-2020 Dietary Guidelines Supplement  (ISBN-10: 1337110086 | ISBN-13: 9781337110082)

This supplement lists the guidelines and key recommendations from the 2015-2020 Dietary Guidelines for Americans. The revised guidelines “encourage healthy eating patterns, recognize that individuals will need to make shifts in their food and beverage choices to achieve a healthier pattern, and acknowledge that all segments of our society have a role to play in supporting healthy choices."

List Price = $17.95  | CengageBrain Price = $17.95  | College Bookstore Wholesale Price = $13.50

Meet the Author

Author Bio

Eleanor Noss Whitney

Ellie Whitney, PhD grew up in New York City and received her B.A. and Ph.D. degrees in English and biology at Radcliffe/Harvard University and Washington Universities, respectively. She has taught at both Florida State University and Florida A&M University, has written newspaper columns on environmental matters for the Tallahassee Democrat, and has authored almost a dozen college textbooks on nutrition, health, and related topics, many of which have been revised multiple times over the years. In addition to teaching and writing, she has spent the past three-plus decades exploring outdoor Florida and studying its ecology. Her latest book is Priceless Florida: The Natural Ecosystems (Pineapple Press, 2004).

Sharon Rady Rolfes

Sharon Rady Rolfes is a Registered Dietitian Nutritionist and founding member of Nutrition and Health Associates, an information resource center that manages a research database of more than 1,000 nutrition-related topics. Previously, Ms. Rolfes taught at Florida State University and coauthored several other college textbooks, including Understanding Nutrition. In addition to writing, Ms. Rolfes consults on educational projects, and volunteers on the board of Working Well, a community initiative dedicated to creating a healthy workforce. A member of the Academy of Nutrition and Dietetics, she received her MS in Nutrition and Food Science from Florida State University.