Principle #1 Food is a basic need of humans.
Principle #2 Foods provide energy (calories), nutrients, and other substances needed for growth and health.
Principle #3 Health problems related to nutrition originate within cells.
Principle #4 Poor nutrition can result from both inadequate and excessive levels of nutrient intake.
Principle #5 Humans have adaptive mechanisms for managing fluctuations in food intake.
Principle #6 Malnutrition can result from poor diets and from disease states, genetic factors, or combinations of these causes.
Principle #7 Some groups of people are at higher risk of becoming inadequately nourished than others.
Principle #8 Poor nutrition can influence the development of certain chronic diseases.
Principle #9 Adequacy and balance are key characteristics of a healthy diet.
Principle #10 There are no “good” or “bad” foods.
Judith E. Brown. Nutrition Through the Life Cycle 3rd Edition.