Some stomach acid is a normal part of digestion.
Normally, you chew and swallow your food and it passes through the esophagus. Once in your stomach, a circular band of muscle at the bottom of the esophagus keeps it there. Known as the lower esophageal sphincter (LES), this muscle closes and prevents stomach acid from flowing back into the esophagus.
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How Food and Stress Can Cause Heartburn
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Everyday events such as eating and stress, especially together, are often responsible for heartburn and other symptoms of acid indigestion.
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How Pregnancy Can Cause Heartburn
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The causes of heartburn symptoms during pregnancy stem from both the hormonal and physical changes in a woman's body.
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GERD and Acid Reflux
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Gastroesophageal reflux disease (GERD) is a medical condition that occurs when stomach acid flows up (reflux) into the esophagus.
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