


Understanding Nutrition
Whitney, E.N. — Rolfes, S.R.
12ª Edición Enero 2010
Inglés
Tapa dura
960 pags
2900 gr
23 x 28 x 4 cm
ISBN 9780538734653
Editorial WADSWORTH
Recíbelo en un plazo De 2 a 3 semanas
Used by more than one million students, Ellie Whitney and Sharon Rady Rolfes' UNDERSTANDING NUTRITION is THE best-selling introductory nutrition text on the market today! While maintaining the stellar quality and support that discerning instructors demand for the majors course, the new Twelfth Edition takes UNDERSTANDING NUTRITION to a new level with an emphasis on active learning, assignable content, and integrated resources that support instructors' course objectives and students' future career opportunities. From its beautiful and carefully developed art program to its strong science base, contemporary coverage, and market-leading supplements, the Twelfth Edition of UNDERSTANDING NUTRITION connects with its readers and continues to set the standard for texts in this market. This text includes 20 chapters beginning with core nutrition topics; such as, diet planning, macronutrients, vitamins and minerals, and following with chapters on diet and health, fitness, life span nutrition, food safety, and world hunger. Praised for its consistent level, approachable narrative, and careful explanations of key topics, UNDERSTANDING NUTRITION connects with students--engaging them as it teaches the basic concepts and applications of nutrition. Take a fresh look at UNDERSTANDING NUTRITION.
FEATURES
· "Nutrition in Your Life" chapter openers introduce and engage students by connecting chapter topics to applications in students’ lives. This feature is revisited at the end of each chapter in the "Nutrition Portfolio" sections.
· At the end of each chapter, "Nutrition Portfolio" sections invite students to evaluate and compare their personal dietary choices with dietary goals introduced in the text. The "Nutrition Portfolio" questions are now correlated to Diet Analysis Plus.
· "How To" sections guide readers through problem-solving tasks; such as, calculating energy intake from the grams of carbohydrate, fat, and protein in a food. In this edition, each "How To" feature is accompanied by "Try It" activities for students to practice these skills.
· "Nutrition on the Net" sections provide students with current websites to access additional information about chapter topics.
· Praised by reviewers, Chapter 7, "Metabolism: Transformations and Interactions, " offers a clear, in-depth, and accurate presentation of this difficult nutrition topic, featuring student-friendly use of familiar phrases and attractive art while retaining the level of science that is expected for this course.
· CengageNOW, your complete solution for Nutrition, provides course management tools for instructors and various online study tools for your students. Each chapter in UNDERSTANDING NUTRITION prompts students to use CengageNOW resources; such as, diagnostic pre-tests, personalized learning plans, Pop-up Tutors, animations, case studies, interactive exercises, and more. Easy to assign and track, CengageNOW will save time both for instructors and students to better support course goals and learning objectives.
NEW TO THIS EDITION
· New! "Try It" activities added to this edition accompany the "How To" lessons to promote active learning and encourage students to practice the problem-solving tasks outlined in the "How To" sections. Additional "Try It" activities can be found in CengageNOW and WebTutor for BlackBoard® and WebCT®.
· New! In this edition, the questions in the "Nutrition Portfolio" feature are now correlated to Diet Analysis Plus 9.0 and require students to use the dietary tracking information to evaluate and compare their personal dietary choices with dietary goals introduced in the text, exploring how their knowledge and behaviors have changed as their understanding of nutrition science progresses.
· New! Pop-up Tutors are lecture videos developed by Dr. Jessica Coppola at Sacramento City College that reinforce key concepts and provide students with further instruction and practice on particularly difficult topics; such as, metabolism, digestion, and absorption. Students can access the Pop-up Tutors via CengageNOW and WebTutor for BlackBoard and WebCT and through links embedded in the CL eBook and Personalized Learning Plans.
· New! Detachable Study Cards at the end of the book provide concise summaries of the key chapter concepts along with key figures and study questions. These cards are perforated and designed for students to use as a quick review for exams.
· New! Highlight in Chapter 4 explores the roles of carbohydrates in weight gain and in weight loss.
· Updated coverage throughout every chapter in the Twelfth Edition presents the field’s latest developments, including a new section that introduces the Healthy Eating Index and evaluates the current American diet against dietary guidelines, additional information on nutritional genomics and a new figure illustrating nutrient regulation of gene expression, coverage of the ACSM’s 2008 Physical Activity Guidelines for Americans, more information on childhood obesity, and research updates on dozens of other topics.
TABLE OF CONTENTS
1. An Overview of Nutrition.
Highlight: Nutrition Information and Misinformation--On the Net and in the News.
2. Planning a Healthy Diet.
Highlight: Vegetarian Diets.
3. Digestion, Absorption, and Transport.
Highlight: Common Digestive Problems.
4. The Carbohydrates: Sugars, Starches, and Fibers.
Highlight: Carbs, Calories, and Controversies.
5. The Lipids: Triglycerides, Phospholipids, and Sterols.
Highlight: High-Fat Foods--Friend or Foe?
6. Protein: Amino Acids.
Highlight: Nutritional Genomics.
7. Metabolism: Transformations and Interactions.
Highlight: Alcohol and Nutrition.
8. Energy Balance and Body Composition.
Highlight: Eating Disorders.
9. Weight Management: Overweight, Obesity, and Underweight.
Highlight: The Latest and Greatest Weight-Loss Diet--Again.
10. The Water-Soluble Vitamins: B Vitamins and Vitamin C.
Highlight: Vitamin and Mineral Supplements.
11. The Fat-Soluble Vitamins: A, D, E, and K.
Highlight: Antioxidant Nutrients in Disease Prevention.
12. Water and the Major Minerals.
Highlight: Osteoporosis and Calcium.
13. The Trace Minerals.
Highlight: Phytochemicals and Functional Foods.
14. Fitness: Physical Activity, Nutrients, and Body Adaptations.
Highlight: Supplements as Ergogenic Aids.
15. Life Cycle Nutrition: Pregnancy and Lactation.
Highlight: Fetal Alcohol Syndrome.
16. Life Cycle Nutrition: Infancy, Childhood, and Adolescence.
Highlight: Childhood Obesity and the Early Development of Chronic Diseases.
17. Life Cycle Nutrition: Adulthood and the Later Years.
Highlight: Nutrient-Drug Interactions.
18. Diet and Health.
Highlight: Complementary and Alternative Medicine.
19. Consumer Concerns about Foods and Wate.r
Highlight: Food Biotechnology.
20. Hunger and the Global Environment.
Highlight: 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: United States: Exchange Lists.
Appendix H: Table of Food Composition.
Appendix I: WHO: Nutrition Recommendations Canada: Choice System and Guidelines.
Appendix J: Healthy People 2010.
Glossary.
Index.
Dietary Reference Intakes (inside front covers, pp. A-C).
Aids to Calculations (inside back pages, pp. W-X).
Daily Values for Food Labels (inside back cover, p. Y).
Glossary of Nutrient Measures (inside back cover, p. Y).
Body Mass Index (inside back cover, p. Z).
ABOUT THE AUTHORS
Eleanor Noss Whitney
Ellie Whitney, PH.D., received her B.A. in Biology from Radcliffe College in 1960 and her Ph.D. in Biology from Washington University, St. Louis, in 1970. Formerly on the faculty at Florida State University and a dietitian registered with the American Dietetic Association, she now devotes full time to research, writing, and consulting in nutrition, health, and environmental issues. Her earlier publications include articles in SCIENCE, GENETICS, and other journals. Her textbooks include NUTRITION CONCEPTS AND CONTROVERSIES, TENTH EDITION; UNDERSTANDING NUTRITION, ELEVENTH EDITION; UNDERSTANDING NORMAL AND CLINICAL NUTRITION, SEVENTH EDITION; and NUTRITION AND DIET THERAPY, SEVENTH EDITION, all with Thomson Wadsworth. She also recently co-authored PRICELESS FLORIDA (Pineapple Press), a comprehensive text examining the ecosystems in her home state. Her additional interests include energy conservation, solar energy use, alternatively fueled vehicles, and ecosystem restoration.
Sharon Rady Rolfes
Sharon Rady Rolfes received her M.S. in nutrition and food science from Florida State University. She is a founding member of Nutrition and Health Associates, an information resource center that maintains a research database on over 1,000 nutrition-related topics. Her other publications include the college textbooks UNDERSTANDING NUTRITION and NUTRITION FOR HEALTH AND HEALTH CARE and the NUTRITION INTERACTIVE CD-ROM. In addition to writing, she occasionally teaches at Florida State University and serves as a consultant for various educational projects. Her volunteer work includes serving on the board of Working Well, a community initiative dedicated to creating a healthy workforce. She maintains her registration as a dietitian and membership with the American Dietetic Association.
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