Gastroesophageal reflux disease (GERD): causes and essence
What happens at the border of the esophagus and stomach, why the valve lets acid through, and at what point ordinary heartburn turns into a diagnosis of GERD.
What happens at the border of the esophagus and stomach, why the valve lets acid through, and at what point ordinary heartburn turns into a diagnosis of GERD.
Heartburn is not 'excess acid' but the backflow of stomach contents into the esophagus. We explain the mechanism, triggers, and signs of GERD.