| A | B |
| anorexia nervosa | an eating disorder in which the person refuses to eat because of a fear of weight gain |
| bulimia | abnormally voracious appetite or unnaturally constant hunger |
| pica | an abnormal appetite or craving for substances that are not fit to eat, as chalk or clay, common in malnutrition, pregnancy, etc. |
| essential nutrients | six categories of substances from food that nourish the body: carbohydrates, fats, proteins, vitamins, minerals, water |
| calorie | a unit of measurement for energy. 1 nutrition calorie=1 kilocalorie |
| carbohydrates | a class of nutrients containing starches simple sugars, glycogen, and dietary fiber |
| fats | a class of nutrients that supply more energy per gram than carbohydrates or proteins |
| proteins | class of nutrients consisting of long chains of amino acids, whcih are the basic components of body tissue and provide energy |
| vitamins | compounds that help regulate certain chemical reactions in the body |
| minerals | inorganic substances that are generally absorbed to form structural components of the body |
| water | water helps maintain acidity at the proper levels |
| dehydration | a state in which the body has lost more water than has been taken in |
| food guide pyramid | the best nutritional strategies include eating a variety of foods |
| dietary guidelines | reccomendations on what is healthy for the body |
| Recommended Dietary Allowances (RDAs) | (RDAs) are the accepted nutrition standard |