Popcorn vs. Pretzels: Which Low-Calorie Snack Is Healthier?

Popcorn and pretzels are both low-calorie snacks. But if you want to make a healthy snack choice, which should you pick? Nutrition expert Lisa D'Agrosa compares the calories in popcorn and pretzels and tells which is healthier.

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"Popcorn vs. Pretzels: Which Low-Calorie Snack Is Healthier?"