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GERD is caused by a weakness or transient relaxation of the lower esophageal sphincter (LES) muscle. The LES sits at the juncture between the esophagus and the stomach. When you eat, food and liquid travel down the esophagus to the stomach. Once they arrive, the resting tone of the LES helps keep stomach contents from refluxing or moving backward into the esophagus. But when the LES is weakened, it does not work properly. Stomach contents may reflux into the esophagus, which can cause the burning sensation in the chest known as heartburn.
While most Americans suffer from heartburn at one time or another, millions of Americans suffer from chronic GERD.
Possible long-term complications of GERD include esophagitis,
Barrett’s esophagus, esophageal narrowing, and
cancer of the esophagus.
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
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