Know the functions of the six types of nutrients.

• Point out the value of recommended dietary allowances.
• Explain why deficiencies of certain nutrients result in ill health.

Understand the value of a balanced diet consisting of each of the food groups.

• Explain why grains should make up the bulk of your diet.
• Describe why some protein sources do not contain all of the essential amino acids.
• Describe why some nutrients should be limited in order to maintain good health.

Know that a calorie is a measure of energy.

• Recognize that exercise is important in expending the energy gained by eating.
• Give examples of foods that have more calories than others.
• Explain how metabolic rate is related to diet and weight control.

Understand that there is a great deal of individual variation in the basal metabolic rate and the voluntary activity of people.

• Explain how people's food needs change at different points in their lives.
• Recognize that overeating and under-exercising has resulted in a U.S. population in which approximately 60% is overweight or obese.

Understand that eating has a strong psychological motivation.

• Identify the signs and symptoms of the common eating disorders that affect health.
• Identify common eating disorders affecting young people.