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Nutrition: Science and Everyday Application: Introduction to Designing a Healthy Diet

Nutrition: Science and Everyday Application
Introduction to Designing a Healthy Diet
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table of contents
  1. Cover
  2. Title Page
  3. Copyright
  4. Table Of Contents
  5. Introduction
  6. About the Authors
  7. Acknowledgements
  8. Updates Made to OER
  9. Unit 1 – Designing A Healthy Diet
    1. Introduction to Designing a Healthy Diet
    2. Nutrition and Health
    3. An Introduction to Molecules
    4. Classification of Nutrients
    5. Defining Nutrient Requirements: Dietary Reference Intakes
    6. Understanding Food Labels
    7. Tools for Achieving a Healthy Diet
  10. Unit 2 — Nutrition Science and Information Literacy
    1. Introduction to Nutrition Science and Information Literacy
    2. The Scientific Method
    3. Types of Research Studies and How To Interpret Them
    4. Healthy Skepticism in Nutrition Science
    5. Fact-Checking Online Health and Nutrition Information
    6. Who Are the Experts in Nutrition Science?
    7. Finding Accurate Sources of Health and Nutrition Information
  11. Unit 3 – Molecules of Life: Photosynthesis, Digestion, and Metabolism
    1. Introduction to Molecules of Life
    2. Organization of Life
    3. Photosynthesis and Metabolism
    4. The Digestive System
    5. Disorders of the GI Tract
    6. Food Intolerances, Allergies, and Celiac Disease
  12. Unit 4- Carbohydrates
    1. Introduction to Carbohydrates
    2. Types of Carbohydrates
    3. Carbohydrate Food Sources and Guidelines for Intake
    4. Digestion and Absorption of Carbohydrates
    5. Glucose Regulation and Utilization in the Body
    6. Fiber – Types, Food Sources, Health Benefits, and Whole Versus Refined Grains
    7. Sugar: Food Sources, Health Implications, and Label-Reading
    8. Sugar Substitutes
  13. Unit 5- Lipids
    1. Introduction to Lipids
    2. The Functions of Fats
    3. Lipid Types and Structures
    4. Fatty Acid Types and Food Sources
    5. Digestion and Absorption of Lipids
    6. Lipid Transport, Storage, and Utilization
    7. Lipid Recommendations and Heart Health
  14. Unit 6- Protein
    1. Introduction to Protein
    2. Protein Structure
    3. Protein Functions
    4. Protein in Foods and Dietary Recommendations
    5. Protein Digestion and Absorption
    6. Health Consequences of Too Little and Too Much Dietary Protein
    7. Protein Food Choices and Sustainability
  15. Unit 7 — Body Weight and Health
    1. Introduction to Body Weight and Health
    2. Energy Balance: Energy In, Energy Out—Yet Not As Simple As It Seems
    3. Measures of Body Size, Body Composition, and Metabolic Health
    4. Risks of Too Little and Too Much Body Fat
    5. Eating Disorders
    6. Complex Causes of Excess Weight
    7. Solutions for Improving Health
  16. Unit 8 – Vitamins and Minerals Part 1
    1. Introduction to Vitamins and Minerals
    2. Vitamins Important for Vision
    3. Vitamins and Minerals as Antioxidants
    4. Dietary Supplements
    5. Sources of Vitamins and Minerals
    6. Classification of Vitamins and Minerals
    7. Vitamins and Minerals Involved In Fluid And Electrolyte Balance
  17. Unit 9 – Vitamins and Minerals Part 2
    1. Introduction to Vitamins and Minerals Part 2
    2. Vitamins and Minerals Involved in Energy Metabolism
    3. Introduction to Bone Health
    4. Other Minerals Important to Bone Health
    5. Vitamin D: Important to Bone Health and Beyond
    6. Vitamins and Minerals Involved in Blood Health
    7. Calcium: Critical for Bones and Throughout the Body
  18. Unit 10 — Nutrition and Physical Activity
    1. Introduction to Nutrition and Physical Activity
    2. Essential Elements and Benefits of Physical Fitness
    3. Fuel Sources for Exercise
    4. Nutrient Needs of Athletes
  19. Unit 11 — Nutrition Throughout the Lifespan
    1. Introduction to Nutrition Throughout the Lifecycle
    2. Nutrition in Pregnancy and Lactation
    3. Nutrition in Early Infancy
    4. Nutrition in Later Infancy and Toddlerhood
    5. Raising Healthy Eaters
    6. Nutrition in Adolescence
    7. Nutrition in Older Adults
  20. Glossary

Introduction to Designing a Healthy Diet

image

What makes a diet “healthy”? What does the word “healthy” even mean? Each of us might picture something different when we think of a healthy diet, and if you travel around the world, you’ll find even more variation in how people define this term.

Indeed, humans are incredibly flexible when it comes to food. We are omnivores, and we can survive and thrive on a wide variety of different foods. The foods that nourish our bodies are often the same foods that nourish our souls, bringing us together with friends and family, celebrating traditions and conjuring memories of meals past.

We’ll begin our study of nutrition by zooming in on nutrients—the molecules in food that nourish us—to begin to understand what each gives us. Then, we’ll zoom back out to consider some tools for choosing foods that will together provide us with all the nutrients we need. Because whatever the deep and complex meanings that food brings to our lives and our culture, we also want to choose foods that will enable us to be well, to fuel our activities, to prevent disease, and to live long, healthy lives.

Unit Learning Objectives

After completing this unit, you should be able to:

  1. Define nutrition, food, and nutrients, and describe how nutrition is related to health, including risk of chronic disease.
  2. Describe the different factors that impact food choices.
  3. Explain the basic structure of molecules and that all nutrients are also chemical molecules.
  4. Describe the 6 types of nutrients and the various ways they are classified.
  5. Explain how the Dietary Reference Intakes (DRI) are determined, what each type of DRI value means, and how they are used.
  6. Use the information in a Nutrition Facts label to understand the nutritional qualities of a food.
  7. Describe concepts that are helpful in planning a healthful diet, including adequacy, balance, moderation, variety, nutrient density, and empty calories.
  8. Use tools for planning a healthful diet, including MyPlate, Harvard Healthy Eating Plate, and the Dietary Guidelines for Americans.

Image Credits:

Person cooking at a table photo by Markus Winkler on Unsplash (license information)

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Copyright © 2020

            Nutrition: Science and Everyday Application Copyright © 2020 by Alice Callahan, PhD; Heather Leonard, MEd, RDN; and Tamberly Powell, MS, RDN is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, except where otherwise noted.
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