Slide show: Choose the right foods for weight control
Potato chips vs. popcorn
Previous Next 6 of 7 Pick a snack that packs a punch

Energy density is also important when you're snacking. If you're working on weight loss or maintenance, you want to keep your snacks at about 100 calories.

One ounce of potato chips is about 150 calories. Or for only 100 calories, you could snack on 3 1/2 cups of air-popped popcorn.

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