Bloating is mostly subjective. You can “feel” bloated without experiencing actual stomach bulging. Other times, it adds actual inches to your waistline. Why does it happen? Why do our stomachs distend and our sphincters proclaim their gaseous intentions to the world? What causes this nebulous condition and how can we avoid and fix it? (This Mark's Daily Apple article was written by Mark Sisson, and is narrated by Tina Leaman)