Find out why fiber is so good for you. Reviewed 2/9/2024 Sources American Heart Association. “Popcorn as a Snack: Healthy Hit or Dietary Horror Show?” https://www.heart.org/en/news/2019/06/18/popcorn-as-a-snack-healthy-hit-or-dietary-horror-show. American Institute for Cancer Research. Popcorn: “Hero or Villain?” https://www.aicr.org/resources/blog/popcorn-hero-or-villain/. Related stories