Heartburn: An Overview and More

Gastroesophageal reflux disease, or GERD, is caused by chronic acid reflux or, less commonly, a hernia or hiatal tumor. The main symptoms of GERD are heartburn, a burning sensation located under the breastbone, and regurgitation, in which stomach acid reaches the back of the throat and produces a sour taste. If left untreated, GERD can lead to serious complications.

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