Aerophagia

Aerophagia (var. aerophagy) is a condition that occurs when a person swallows too much air, which goes to the stomach. It causes gas bloatingof the abdomen and frequent belching. It may cause pain, too, which sometimes is difficult to diagnose.

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It uses material from the http://en.wikipedia.org/wiki/Aerophagia Wikipedia article Aerophagia.