Direct Answer • Key Takeaway
Popcorn Is a Great Flat-Belly Snack as Long as You Choose the Air-Popped Version—You Can Eat a 3-Cup Portion for Only 100 Calories! Not Only That, but Popcorn Is Also a Whole Grain, and Studies Show That People Who Eat Whole Grains Have Less Belly Fat Than Those Who Eat Refined Grains.