Undereating and Heartburn: Why Skipping Meals Worsens Reflux

Heartburn is a primary symptom of acid reflux. It occurs when stomach acid flows upward into the esophagus, irritating its sensitive lining. This backflow is closely linked to the lower esophageal sphincter (LES), a muscular valve that normally acts as the main anti-reflux barrier keeping acid in the stomach. According to a comprehensive review published […]