Americans do not understand what makes a "portion". Study after study documents that we have no clue about the number of calories we consume. Let's take a look at what a serving size really is. It is quite shocking.
A Serving of....
Fruit is the size of a baseball.
Meat is the size of a deck of cards.
Pasta is the size of a dove bar.
Sandwich is the size of a mouse.
Cheese is the size of 3 dominos.