Why does nutrition matter? Nutrition is the study of the relation between food and health. Given that food is essential to health, and food companies make many sometimes misleading claims about their products, the more one knows about nutrition the more able one is to make healthy dietary decisions.

1. True or False? A calorie is the energy it takes to raise the temperature of 1 gram of water by 2 degrees Celsius.


2. How many calories are there in a gram of fat, protein, or carbohydrate?


3. True or False? The “good fats” are mono- and poly-unsaturated fats, while the “bad fats” are saturated and trans fats.


4. Proteins are made up of _____________.


5. _______________ protect cells from the harmful effects of free radicals.