Table of Contents

BRIEF CONTENTS

CHAPTER 1 The Science and Scope of Nutrition

CHAPTER 2 Healthy Diets

CHAPTER 3 Digestion

CHAPTER 4 Carbohydrates

CHAPTER 5 Nutrition and Diabetes

CHAPTER 6 The Lipids

CHAPTER 7 Lipids in Health and Disease

CHAPTER 8 Protein

CHAPTER 9 Plant-Based Diets

CHAPTER 10 Fat-Soluble Vitamins

CHAPTER 11 Water-Soluble Vitamins

CHAPTER 12 Dietary Supplements

CHAPTER 13 Major Minerals and Water

CHAPTER 14 Trace Minerals

CHAPTER 15 Energy Balance and Obesity

CHAPTER 16 Nutrition and Fitness

CHAPTER 17 Nutrition for Pregnancy, Breastfeeding, and Infancy

CHAPTER 18 Childhood Nutrition

CHAPTER 19 The College Years

CHAPTER 20 Food Safety and Food Security

Appendix 1: Dietary Reference Intakes for Individuals

Appendix 2: Conversions

Answers

Glossary

References

Index

CONTENTS

Authors’ Letter

Acknowledgments

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CHAPTER 1

The Science and Scope of Nutrition

Exploring the Science of Nutrition

A new field of nutrition research is revealing surprising details about how food affects our genes.

Introducing the Science of Nutrition

Food Provides Nutrients and Energy

What Is Malnutrition?

Nutrient Intake Recommendations

Energy Recommendations

Nutrition Science in Action

Credible Sources of Nutrition Information

Health Goals for Americans

Assessing the North American Diet

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CHAPTER 2

Healthy Diets

From Desert to Oasis

Are “food deserts” preventing millions of Americans from eating well?

Healthy Diets Feature Variety, Balance, Adequacy and Moderation

Understanding the Nutrient Density and Energy Density of Foods

Limit These: Solid Fats and Added Sugars (SoFAS)

Dietary Guidelines for Americans

Global Nutrition

Understanding the Labeling on Food

Future Food Labels

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CHAPTER 3

Digestion

A Gut Feeling

Is gluten really all that bad?

Overview of the Digestive Process

Overview of Mechanical and Chemical Digestion

Path of Digestion from Mouth to Large Intestine

The Role of Bacteria in the Gastrointestinal Tract

Digestive Disorders

Irritable Bowel Syndrome (IBS) and Inflammatory Bowel Disease (IBD)

Awareness of Celiac Disease Is Growing

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CHAPTER 4

Carbohydrates

Whole Grain Hype

Can science help us navigate the perils of the cereal aisle?

What Are Carbohydrates?

How Grain-Based Foods Measure Up

The Digestion of Carbohydrates

Added Sugars

Dental Caries

Sugar Alternatives

Understanding Fiber

Carbohydrate Intake Recommendations

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CHAPTER 5

Nutrition and Diabetes

Medical Miracles

Nearly 100 years ago, a discovery revolutionized medicine —and saved millions of children as a result.

What Is Diabetes Mellitus?

Type 2 Diabetes

Diabetes on the Rise

Diabetes Treatment and Prevention

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CHAPTER 6

The Lipids

The Skinny on Fat

How native Greenlanders with a passion for seal blubber showed the world that not all lipids are created equal.

Overview of the Lipids

Lipid Digestion and Absorption

Lipoprotein Transport

Essential Fatty Acids

Trans Fats and Fat Substitutes

Current Fat Intake and Recommendations

Knowledge of Omega-3 Fatty Acids Is Growing

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CHAPTER 7

Lipids in Health and Disease

Death in Bogalusa

From tragic deaths in a southern town, insights into heart disease.

Atherosclerosis and Cardiovascular Disease

Risk Factors for Cardiovascular Disease

A Heart-Protective Diet

Fat Intake and Health—Beyond Cardiovascular Disease

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CHAPTER 8

Protein

How Much of a Good Thing Do We Need?

Experts consider how much protein is best for us all.

Recommendations for Protein Intake

Structure of Protein

Protein Synthesis

Digestion and Absorption of Proteins

Varied Functions of Protein

Protein Turnover and Nitrogen Balance

Seniors May Benefit from Higher Intakes of Protein

Protein Quality

Protein-Deficiency Diseases

High-Protein Diets

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CHAPTER 9

Plant-Based Diets

Pass the Plants, Please

What does a Spanish study say about the benefits of following a Mediterranean-like diet?

Vegetarian and Semi-Vegetarian Diets

Benefits of a Diet Rich in Plant Foods

How Cancer Develops

Benefits of Phytochemicals

Nutritional Considerations and Concerns Associated with Plant-Based Diets

Plant-Based and Vegetarian Guidelines

How Are Organic Foods Different than Conventional Foods?

The Mediterranean Diet

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CHAPTER 10

Fat-Soluble Vitamins

Soak up the Sun?

An ailing gorilla inspires a lifelong interest in the vitamins.

Introducing the Vitamins

Bioavailability and Solubility

Properties of Fat-Soluble Vitamins

Vitamin D

Vitamin A

Antioxidants Protect Against Damage from Free Radicals

Vitamin E

Vitamin K

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CHAPTER 11

Water-Soluble Vitamins

It’s Not a Germ

Pioneering research uncovers vitamin deficiency diseases.

Characteristics of the Water-Soluble Vitamins

The B Vitamins

Choline

Vitamin C

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CHAPTER 12

Dietary Supplements

Supplements, Herbs and Functional Foods

Surprising studies on the value of vitamin supplements.

What Are Dietary Supplements?

Regulation of Dietary Supplements

Understanding Supplement Labels

Are Dietary Supplements Harmful?

Pros and Cons of Herbal Supplements

Functional Foods

Let the Buyer Beware

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CHAPTER 13

Major Minerals and Water

Potassium Power

Eating a diet low in sodium and rich in potassium may offer protection from hypertension.

Overview of the Minerals

Mineral Absorption and Bioavailability

Minerals in Our Food

Calcium, Magnesium, and Phosphorus Have Diverse Structural Roles in the Body

Sulfur Is a Component of Proteins

Sodium, Potassium, and Chloride Maintain Fluid Balance in the Body

Water

Water Intake Recommendations

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CHAPTER 14

Trace Minerals

Small Quantities with Big Importance

How lack of trace minerals can wreak havoc on your health.

Introducing the Trace Minerals

Iodine: Sources and Functions

Iron

Zinc

Copper

Selenium

Fluoride

Other Trace Minerals: Manganese, Molybdenum, and Chromium

Ultratrace Minerals

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CHAPTER 15

Energy Balance and Obesity

The Sitting Disease

Understanding the causes and consequences of obesity.

Energy In, Energy Out

The Biology of Hunger

A NEAT Cause of Weight Gain

Lifestyle and Energy Balance

Weight Loss Recommendations

A Moratorium on the Chair

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CHAPTER 16

Nutrition and Fitness

Eating to Win

Research suggests that when athletes eat may be just as important as what they eat.

Components of Fitness

Fueling the Body

Measures of Exercise Intensity

Dietary Carbohydrates for Endurance Exercise

U.S. Gymnastics Team in Training

Female Athlete Triad

Body Building

Hydrating the Athlete

Sports Supplements

Physical Fitness: Not Just for Athletes

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CHAPTER 17

Nutrition for Pregnancy, Breastfeeding, and Infancy

Nourishing Mother and Baby

New research suggests that delaying cord clamping after birth preserves iron status.

Changing Nutritional Needs

Energy and Nutrient Needs During Pregnancy

A Healthy Pregnancy

Food Safety

Postnatal Nutrition

Nutrition During Lactation

Formula Feeding

Nutrition for the Growing Child

Iron Deficiency and Cord Clamping

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CHAPTER 18

Childhood Nutrition

Food Allergies and Intolerances

As paradoxical as it might seem, could dirt and germs make children healthier for life?

Growth and Development in Childhood

What Are Children Eating?

Nutritional Recommendations for Children

Nutrients of Concern in Childhood

Childhood Obesity

Food Allergies

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CHAPTER 19

The College Years

Determinants of Eating Behavior,

Disordered Eating, and Alcohol

How food choices are influenced by social norms.

Growth, Development, and Nutrient Requirements in Late Adolescence

Calcium

Iron

Determinants of Eating Behavior

Eating Challenges on Campus

Eating Disorders

Alcohol

A Successful Transition to College Life

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CHAPTER 20

Food Safety and Food Security

Stomach Troubles

How a series of food crises transformed the U.S. food protection system.

A Brief History of Food Safety in America

Foodborne Intoxication and Infection

Engineering Food Safety: HACCP and Irradiation

Food Safety and Modernization Act

Food Safety in the Home

Beyond Food Safety: Food Security

Appendix 1: Dietary Reference Intakes for Individuals

Appendix 2: Conversions

Answers

Glossary

References

Index