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Nutrition Research
- Scientists uncover nutrition facts by experimenting (Fig. 1-3)
- Research designs (Fig. 1-4):
- case studies - individuals
- epidemiological study - populations
- intervention study - populations with manipulation
- laboratory study - tightly controlled conditions
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Nutrition Research
- Single studies must be replicated before findings become valid
- Consumer corner: Can we trust the media?
- Do not take actions based on the findings of single study
- Science works by the accumulation of evidence and by consensus
- Sometimes the media sensationalizes even confirmed findings
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Controversy 1
- Separating the Imposters From the Real Nutrition Experts
- Identifying valid nutrition information (pg 21)
- Table C1-2: Some Credible Sources of Nutrition Information (also see course outline)
- Table C1-3: Nutrition on the Web – Is This Site Reliable?
- Fig C1-1: Earmarks of Nutrition Quackery
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Identifying Valid Nutrition Information
- Information derived from scientific research, conducted by scientists with these characteristics:
- Test ideas through properly designed scientific experiments
- Recognize inadequacies of anecdotal evidence / testimonials
- Do not apply research findings from animals to humans
- Do not generalize findings to all population groups
- Report their findings in respected scientific journals that are peer reviewed
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Nutritionist
- Term is not regulated
- May have university degree in nutrition
- May not have formal training, self-taught, variable degree of nutrition information accuracy
- Your pet can get a nutrition diploma from a diploma mill
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Registered Dietitian (R.D.)
- Term is regulated by law
- Member of provincial regulatory body (CDM = College of Dietitians of Manitoba)
- Optional membership to Dietitians of Canada
- 4 year undergraduate degree plus 8-12 month internship (practical experience) in health care setting
- Table C1-6: Terms Associated with Nutrition Advice
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