Most microwave popcorn brands no longer contain harmful chemicals like PFCs and diacetyl. Diacetyl can cause a lung disease called popcorn lung if inhaled, but it has been removed from most popcorn.

Popcorn is a high-fiber, 100% whole-grain food that's good for your gut and your overall health. Air-popping your own is best. When buying popcorn, be sure to read the package label carefully as added ...