Grow a gut overnight? There's a good chance your most recent meals and snacks are to blame.

When your digestive system is unable to break down certain foods properly, the food sits in your gut and causes gas and stomach distension. Bloating can be alleviated with the use of antacids, but it's better if you understand exactly what causes bloating in the first place.

We all know the common factors that trigger feelings of being overly full—too much salt, too many carbs, and carbonated drinks. But here are the top five weird things that can cause major stomach discomfort.