And popcorn can hit its expiration date whether it’s in unpopped or popped form. Popcorn that has extra stuff on it—caramel, nuts, even just butter—has more opportunities to go bad.

Air-popped popcorn is the healthiest because it only uses hot air, which the machine circulates evenly to cook all the kernels. This method does not use oil or fats, such as butter, Rizzo notes.

Eating fiber-rich foods daily is essential for maintaining a healthy gut and improving digestion. These foods help feed beneficial gut bacteria, regulate bowel movements, and reduce digestive ...