NUTR 200 Lecture Notes - Lecture 2: Malnutrition, Overnutrition, Dual-Energy X-Ray Absorptiometry
31 May 2018
School
Department
Course
Professor
NUTR 200 Nutrition for Today 3/28/17
MJ Gunnarson, MS, RD 1
Why does nutrition matter?
Reading: p 1-6, 8-11
Learning Objectives:
• Understand some terminology associated with nutritional assessment (learn some new vocabulary).
** deficiency of thiamin causes beriberi
Historical background:
Vitamin discoveries paved the way for dietary recommendations.
Early 1900s – USDA made recommendations for protein intake
1941 – Food and Nutrition Board (FNB) of the Institute of Medicine was established and created the first
set of RDAs.
• 1st recommended dietary allowances (RDAs) published 1943
• purpose: to prevent nutrient deficiencies
RDAs were revised 9 times since 1941 – last in 1989.
1994 – Joint effort by the FNB and Health Canada initiated to establish Dietary Reference Intakes (DRIs).
DRIs released between 1997-2011.
New areas
Expand on the traditional RDA values
Set standards for nutrients that do not have RDA values
Dietary standards for healthy people only
For preventing deficiency diseases and reducing chronic diseases
Dietary Reference Intakes:
1. EAR - The average daily intake level of a nutrient that will meet the needs of half of the healthy people in
a particular category
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