Why is popcorn a healthy snack substitute for junk food?

Popcorn is a healthy snack substitute for junk because it a loaded with fiber but how it is cooked is important. Air popping, cooking in a little canola or olive oil, or microwaving are all good methods. Many ready to cook popcorns contain trans fats or partially hydrogenated oils that are artery clogging fats and not good for your heart. Avoid them. Also you have to watch the toppings. Butter has lots of calories and saturated fats. Drizzling a little olive oil, Parmesan cheese, and salt on popcorn makes a delicious healthy treat.