Certain foods and drinks can relax the muscle too much, causing the acid to drift up into the esophagus. This reflux creates the burning sensation—heartburn—that runs from your breastbone up...
Heartburn by itself is fairly easy to understand, being simply a painful burning in chest or throat due to acid from the stomach that moves upward into the esophagus.
People taking proton pump inhibitors (PPIs) for heartburn and acid reflux may be at risk for kidney damage.
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