Everyone gets heartburn once in a while. But if you get heartburn two or more times a week, it could be gastroesophageal reflux disease (GERD). In GERD, stomach acid splashes up into the esophagus due to a weak lower esophageal sphincter (LES)—a ring of muscle that normally contains stomach acid.
In some cases, a hiatal hernia can cause GERD
Shedding pounds can sometimes cure chronic heartburn