ESS 3- Final Exam Guide - Comprehensive Notes for the exam ( 77 pages long!)
29 Mar 2018
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Document Summary
Chapter 1: the science & scope of nutrition. Foundation in other sciences such as bio, biochem, and physiology. Tremendous growth, knowledge gained from sequencing the human genome (nutritional genomics) Nutrition is the study of: factors affecting availability and choices, identifying chemical components of food, effects of food on health and disease risk, actions of food chemicals on the body. Nutrients: chemical substances that are essential for growth and to maintain proper body functioning (metabolism, growth development, reproduction, and tissue maintenance and repair, help remain homeostasis) Essential nutrients: must be supplied through what we eat and drink because the body cannot produce them or enough of them on its own (water) Nonessential nutrients: present in food but not required in our diet, can be manufactured by the body. Diet significantly influences the risk for 5 of the top 10 leading. Examples: carbs, protein, fats, and water, and alcohol kind of: carbs = 4 kcal/g, protein = 4 kcal/g.
