Don't let ballooning portion sizes derail your diet. Check out how servings have grown in the last 20 years below, then adjust your eating accordingly.
Bagel
Portion 20 years ago: 3-inch diameter, 140 cal.
Portion today: 6-inch diameter, 350 cal.
Cheeseburger
Portion 20 years ago: 330 cal.
Portion today: 590 cal.
Portion 20 years ago: 2.5 ounces, 210 cal.
Portion today: 7 ounces, 610 cal.
Portion 20 years ago: 1 cup pasta & 3 meatballs, 500 cal.
Portion today: 2 cup pasta & 3 meatballs, 1,000 cal.
Source: National, Heart, Lung, and Blood Institute