an overview of nutrition copyright 2005 wadsworth group, a division of thomson learning
TRANSCRIPT
![Page 1: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/1.jpg)
An Overview of Nutrition
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 2: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/2.jpg)
Nutrition in Your Life• Nutrition
– The science of foods and the substances they contain
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 3: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/3.jpg)
Nutrition in Your Life• Food
– Derived from plant or animal sources•Provide energy and nutrients
–Used by the body for maintenance, growth, and repair
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 4: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/4.jpg)
Nutrition in Your Life• Diet
– The foods one consumes•The quality of which affects the risk of chronic diseases
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 5: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/5.jpg)
Food Choices• Personal preference• Habit• Ethnic heritage or tradition• Social interactions• Availability, convenience, economy
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 6: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/6.jpg)
Food Choices• Positive and negative associations• Emotional comfort• Values• Body weight and image
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 7: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/7.jpg)
Food Choices• Nutrition and health benefits
– Functional foods•Provide health benefits beyond their nutrient contributions
•Ex. Whole foods, fortified foods
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 8: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/8.jpg)
The Nutrients• Energy defined
• Nutrient defined
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 9: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/9.jpg)
The Nutrients• Composition of foods
– Six classes of nutrients– Nonnutrients
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 10: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/10.jpg)
Body Composition
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 11: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/11.jpg)
The Nutrients• Chemical composition of nutrients
– Inorganic vs. Organic nutrients
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 12: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/12.jpg)
The Nutrients• Inorganic nutrients
– Minerals– Water
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 13: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/13.jpg)
The Nutrients• Organic nutrients
– Carbohydrates– Lipids– Proteins– Vitamins
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 14: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/14.jpg)
The Nutrients
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 15: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/15.jpg)
The Nutrients• Essential nutrients• Macronutrients vs. micronutrients
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 16: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/16.jpg)
Energy-Yielding Nutrients
• Calories and kilocalories
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 17: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/17.jpg)
Energy-Yielding Nutrients
• Energy from foods– Energy density
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 18: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/18.jpg)
Energy Density
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 19: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/19.jpg)
Energy-Yielding Nutrients
• Energy in the body– Energy for activity– Stored energy
• Other roles of energy-yielding nutrients
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 20: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/20.jpg)
Vitamins• Organic• Not energy-yielding• Essential• Water-soluble vs. fat-soluble• Vulnerable to destruction
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 21: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/21.jpg)
Minerals• Inorganic• Not energy-yielding• Essential• Indestructible
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 22: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/22.jpg)
Water• Inorganic• Not energy-yielding• Essential
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 23: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/23.jpg)
How do we know the relationship between these
nutrients and health?
![Page 24: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/24.jpg)
The Science of Nutrition
• Human genome
• Nutritional genomics
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 25: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/25.jpg)
Nutrition Research• The Scientific Method
– Hypothesis vs. Theory– Experimental group vs. control
group– Randomization– Sample size
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 26: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/26.jpg)
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 27: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/27.jpg)
Nutrition Research• The Scientific Method
– Epidemiological studies– Laboratory-based studies– Human intervention or clinical
trials
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 28: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/28.jpg)
Nutrition Research
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 29: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/29.jpg)
Nutrition Research
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 30: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/30.jpg)
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 31: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/31.jpg)
Nutrition Research• The Scientific Method
– Placebo effect•Blind experiment•Double-blind experiment
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 32: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/32.jpg)
Nutrition Research• The Scientific Method
– Correlations and causes•Positive correlation vs. negative correlation
•Replication– Peer review
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 33: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/33.jpg)
Nutrition Research• Research Vs. Rumors
– Scientific validity
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 34: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/34.jpg)
What are the current theories of how nutrients are related to
health?
![Page 35: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/35.jpg)
Diet and Health
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 36: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/36.jpg)
Diet and Health
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 37: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/37.jpg)
Risk Factors for Chronic Diseases
• Risk factors persist• Risk factors cluster• Risk factors in perspective
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 38: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/38.jpg)
Nutrition Information and Misinformation
• Not everything on the Internet is true!!– Determination of the reliability of
a website• Not everything on the news is
accurately reported!!
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 39: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/39.jpg)
Nutrition Information and Misinformation
• American Dietetic Association (ADA)
• Registered dietitian (RD)• Dietetic technician,
registered (DTR)
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 40: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/40.jpg)
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 41: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/41.jpg)
Nutrition Information and Misinformation
• Finding credible information– Government health agencies– Volunteer health agencies
reputable consumer groups– Reputable consumer groups
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 42: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/42.jpg)
Nutrition Information and Misinformation
• Finding credible information– Professional health organizations– Professional journals
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 43: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/43.jpg)
![Page 44: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/44.jpg)
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 45: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/45.jpg)
Nutrition Information and Misinformation
• Identifying misinformation
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning
![Page 46: An Overview of Nutrition Copyright 2005 Wadsworth Group, a division of Thomson Learning](https://reader035.vdocument.in/reader035/viewer/2022081504/56649e9d5503460f94b9d863/html5/thumbnails/46.jpg)
Copyright 2005 Wadsworth Group, a division of Thomson LearningCopyright 2005 Wadsworth Group, a division of Thomson Learning