Scientific American: Nutrition for a Changing World

The third edition of Nutrition for a Changing World connects students to the science of nutrition through real stories, real people, and real discoveries. Each chapter opens with a compelling narrative that brings the latest nutrition research to life, while stunning visuals and dynamic infographics help students understand how nutrition impacts health and well-being. Now fully updated to align with the 2025-2030 Dietary Guidelines for Americans, the 3rd Edition reflects the most current science, refreshed graphics, and new data throughout. Five chapters debut brand-new storylines exploring cutting-edge topics: from epigenetics and the human microbiome, to ultra-processed foods, protein trends, and sports nutrition. In Achieve, Nutrition for a Changing World continues to lead the way with the AnalyzeMyDiet diet tracker and with personalised, auto-graded assignments. New interactive tutorials, video-based assessments, and instant feedback turn learning into an active, reflective experience. With its storytelling approach, contemporary science, and powerful digital tools, Nutrition for a Changing World, 3rd Edition equips students to think critically about the food choices they make, and empowers instructors with a course experience that's engaging, current, and easy to teach

Jamie Pope; Steven Nizielski

CHAPTER 1 The Science and Scope of Nutrition Exploring the Science of Nutrition A new field in 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 Chapter 1 Bring It Home Key Ideas Need To Know: Review Questions CHAPTER 2 Healthy Diets From Factory to Fork Can ultra-processed foods fit into a healthy diet? Healthy Diets Feature Variety, Balance, Adequacy, and Moderation Understanding the Nutrient Density and Energy Density of Foo Dietary Guidelines for Americans Global Nutrition Understanding the Labeling on Food Chapter 2 Bring It Home Key Ideas Need To Know: Review Questions CHAPTER 3 Digestion Invisible Allies Understanding the Vital Role of the Human Microbiome Overview of the Digestive Process Gastrointestinal Tract and Accessory Organs Overview of Mechanical and Chemical Digestion The Path of Digestion from the Mouth to the Large Intestine The Role of Bacteria in the Gastrointestinal Tract Digestive Disorders Chapter 3 Bring It Home Key Ideas Need To Know: Review Questions CHAPTER 4 Carbohydrates Whole Grain Hype Can Science Help Us Navigate the Perils of the Cereal Aisle? What Are Carbohydrates? The Digestion of Carbohydrates Added Sugar Sugar Alternatives Understanding Fiber Carbohydrate Intake Recommendations Chapter 4 Bring It Home Key Ideas Need To Know: Review Questions SPOTLIGHT A Nutrition and Diabetes A Global Pandemic A Projected 850 Million People in the World Will Be Living with Diabetes by the Year 2050 What Is Diabetes Mellitus? Type 2 Diabetes Diabetes Treatment and Prevention Spotlight A Bring It Home Key Ideas Need To Know: Review Questions CHAPTER 5 The Lipids Is Fish Really Brain Food? Dietary Lipids Can Profoundly Affect Our Risk of Developing Dementia Later in Life Dietary Fat Overview of the Lipids Lipid Digestion and Absorption Lipoprotein Transport Essential Fatty Acids Trans Fats Current Fat Intake and Recommendations Chapter 5 Bring It Home Key Ideas Need To Know: Review Questions SPOTLIGHT B 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 Spotlight B Bring It Home Key Ideas Need To Know: Review Questions CHAPTER 6 Protein The Protein Craze Is the Popular Macronutrient the Ticket to a Healthier Life? Recommendations for Protein Intake Protein Synthesis Digestion and Absorption of Proteins Varied Functions of Protein Protein Turnover and Nitrogen Balance Older Adults May Benefit from Higher Intakes of Protein Protein Sources Protein Quality Protein Deficiency High-Protein Diets Chapter 6 Bring It Home Key Ideas Need To Know: Review Questions SPOTLIGHT C 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 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 Spotlight C Bring It Home Key Ideas Need To Know: Review Questions CHAPTER 7 Fat-Soluble Vitamins Biofortification in Bangladesh Can a Public Health Crisis Be Solved with Rice? Introducing the Vitamins Properties of Fat-Soluble Vitamins Vitamin A Vitamin D  Vitamin E Vitamin K  Chapter 7 Bring It Home Key Ideas Need To Know: Review Questions CHAPTER 8 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 Chapter 8 Bring It Home Key Ideas Need To Know: Review Questions CHAPTER 9 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 Sulphur is a Component of Proteins Sodium, Potassium, and Chloride Maintain Fluid Balance in the Body Water Chapter 9 Bring It Home Key Ideas Need To Know: Review Questions CHAPTER 10 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 Chapter 10 Bring It Home Key Ideas Need To Know: Review Questions SPOTLIGHT D 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? Functional Foods Spotlight D Bring It Home Key Ideas Need To Know: Review Questions CHAPTER 11 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 Chapter 11 Bring It Home Key Ideas Need To Know: Review Questions CHAPTER 12 Nutrition and Fitness Eating to Win The Amazing and Exacting Science of Sports Nutrition Components of Fitness Fueling the Body Measures of Exercise Intensity Dietary Carbohydrates for Endurance Exercise Relative Energy Deficiency in Sport Body Building Hydrating the Athlete Physical Fitness: Not Just for Athletes Chapter 12 Bring It Home Key Ideas Need To Know: Review Questions CHAPTER 13 Nutrition During 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 Determinants of Eating Behavior Eating Disorders Alcohol Chapter 13 Bring It Home Key Ideas Need To Know: Review Questions SPOTLIGHT E 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 for the Growing Child Spotlight E Bring It Home Key Ideas Need To Know: Review Questions SPOTLIGHT F 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 Spotlight F Bring It Home Key Ideas Need To Know: Review Questions SPOTLIGHT G Nutrition and the Aging Adult Live Long and Prosper Can You Eat Your Way to a Longer, Healthier LIfe? What Happens When We Age? Life Expectancy and Lifespan Blue Zones Energy Needs and Physical Activity Special Nutritional Concerns for Older Adults Nutrient Recommendations for Older Adults Maintaining Physical Strength for a Lifetime Blue Zone Secrets Spotlight G Bring It Home Key Ideas Need To Know: Review Questions CHAPTER 14 Global Nutrition: Food Security and Sustainability Feeding the World Now and in the Future How Will We Combat Global Hunger While We Promote Feed Security and Sustainability? Food and Nutrition Security Sustainability How Are Organic Foods Different from Conventional Foods? Chapter 14 Bring It Home Key Ideas Need To Know: Review Questions SPOTLIGHT H Food Safety How Cantaloupe Turned Lethal Safe Food-Handling Practices from Farm to Table Can Dramatically Reduce the Risk of Foodborne Illness 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 Spotlight H Bring It Home Key Ideas Need To Know: Review Questions (ONLINE ONLY) CHAPTER 15 Energy Metabolism: The Interactions and Transformations of Living Cells The Brain on Ketones: Can It Be Good? For Some Individuals with Epilepsy, a High-Fat, Low-Carbohydrate Ketogenic Diet Can Prevent ore Reduce Seizures Overview of Energy Metabolism The Breakdown of Glucose Fatty Acid Oxidation Occurs in the Mitochondrial Matrix Ketogenesis Amino Acid Metabolism Feasting and Fasting Cycle: Coordinating Metabolic Adaptations in Pathways of Energy Metabolism Inborn Errors of Metabolism Chapter 15 Bring It Home Key Ideas Need To Know: Review Questions Appendix 1: Dietary Reference Intakes for Individuals Appendix 2: Conversions  Appendix 3: Key Functions of Micronutrients Need To Know Review Question Answers Glossary References Index