Popcorn is a delicious whole-grain, high-fiber snack. It’s full of healthful antioxidants called polyphenols, which might reduce the risk of heart disease and some cancers. But when you go to the ...

Medically reviewed by Kierra Brown, RD Microwave popcorn is a good source of fiber, however, it's not considered the most nutritious snack. It's often high in salt and saturated fats, and there are ...