10 - Nutrition How do we know what we know 10/01/2008...

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Unformatted text preview: Nutrition How do we know what we know 10/01/2008 10:11:00 1. We are born with nutrition knowledge nutritional wisdom Dr. Clara Davis o Children can regulate their food intake o Let the children eat what ever they wanted and picked a variety of foods that were what their body needed Dr. Leanne Birch o Children internally regulate their food intake, but not adults so much. o Children stop when they are full and eat when they are hungry, adults overeat. Children are capable of adjusting the size of means to meet their energy needs and have demonstrated impressive ability to regulate their energy intake (without coercion) Taste and Disgust o Your body knows best for you 2. Personal testimony Diets 3. Ancient wisdom Until 1820 Americans thought tomatoes were poisonous. 4. Our cultural heritage Ethnic foods 5. Values Chickens on a farm v. chicken in factory 6. Because someone famous told us. Be cautious because they could be getting paid to say it 7. We heard it from a food company Could be false 8. We heard it from a farmer Usually have good information about how the food was created or farmed 9. Because you heard it in a newspaper or magazine Often talk about studies, remember there might be a potential profit motivation 10. Because I read it in a book Profit again 11. Because I saw it in an infomercial 12. Because my professor told me She got it because it was discovered by a scientist NUTRITION AS A SCIENCE HOW DO SCIENTISTS KNOW WHAT THEY KNOW 10/01/2008 10:11:00 Nutrition: A process by which scientists, collectively and over time, endeavor to construct an accurse representation of the world Scientific method: o Observe o Hypothesis & prediction o Experiment o Results & interpretations (no study is ever perfect, one study is never enough) o Replicate the findings of the experiment by independent experimenters- peer review of results o If Hypothesis is supported- theory o If not- new observations & questions Review Journals: examine all available evidence on major topics. Research Journals: Report details of methods, results and conclusions of recently completed experiments/studies. Scientific Journal- sends information out to editor who sends it to reviewers who sends it back to the editor and he tells the scientist what needs to be changed and the process happens again Types of studies that get published (read and study page 13-17)...
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This note was uploaded on 03/29/2008 for the course HNF 150 taught by Professor Thurston during the Spring '07 term at Michigan State University.

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10 - Nutrition How do we know what we know 10/01/2008...

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