Reflux or heartburn (GERD) means that you have backflow of stomach acid from the stomach into the esophagus. It happens when the stomach mouth=cardia cannot close, so stomach acid can leak out.
Symptoms
Chest discomfort, chest pain
Cough
Heartburn
Acid reflux
Nausea
Burping, hiccups or bloating
The treatment will consist of
Balancing the autonomic nervous system is the part of the nervous system
Work on optimal function of this nerve by, among other things, to work with your neck and chest