NUTR 2050 Chapter 1: Chapter 1.doc
10 Apr 2012
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Document Summary
Introduction: nutrition is a interdisciplinary science focused on the study of nutrients and other constituents and health, nutrients: chemical substances in foods that are used by the body for growth and health. Principle #1 food is a basic need for humans. The right assortment of food for optimal health. 12% of u. s households are food insecure access at all times to a sufficient supply of safe nutritious foods limited or uncertain availability of safe nutritious foods, or the ability to acquire them in socially acceptable. Principle #2 foods provide energy (calories), nutrients and other substances needed for growth and health. 1 reason why people eat= the requirement of calories (energy), nutrients and other substances supplied by foods for growth and health. Calories are unit not a substance: calories, nutrients = chemical substances= variety of functions that support growth tissue maintenance and repair for ongoing health a unit of measure of the amount of energy supplied by food.
