For the most part, burping is caused by air that you swallow. Aside from teenage boys engaging in belching contests, most of us don't swallow air on purpose.
Moderator: Anxiety, Osteoarthritis,
GERD/Heartburn and Heart/Cardiovascular Disease.
"only as high as I reach can I grow, only as far as I seek can I go, only as deep as I look can I see, only as much as I dream can I be"