What are the recommended portion sizes for adults?

One slice of bread the size of a cassette tape counts as one serving of grains, or 1/2 cup of couscous about the size of a lightbulb is another serving. A cup of vegetables is the size of a baseball and counts as one serving.

The American Heart Association recommends that adults eat six servings of grains, three to four servings of vegetables, four servings of fruit and two to three servings of dairy daily. One serving of a banana is 8 inches long or the size of a pencil, and 1 ounce of dried fruit or 1/4 cup of raisins is the size of a golf ball. ! 1.5-ounce serving of cubed hard cheese is the size of three dice.