I'm confused a bit. Frementation has nothing to do with atomspheric air. How do which one is the source of the gas? Also, why do you the volume is too much?quote:I have discovered that the pain that I have been experiencing lately is caused by fermantation, my tummy growls like an angry bear, and after a while I start to have lower abdominal pains and pain below my ribs,it only subsides when I start to pass wind. I take it that it is caused by too much air.