Your lower esophageal sphincter (LES) is a muscular ring that connects your esophagus with your stomach. It relaxes to let food pass through but otherwise stays closed to prevent stomach acid from ...

Gastroenterologist Saurabh Sethi recommends simple remedies for heartburn, acid reflux and digestive issues.

NEW YORK (Reuters Health) - Stomach acid reflux or heartburn may be a particular problem for people with breathing problems such as emphysema or bronchitis, known generally as chronic obstructive ...

Add Yahoo as a preferred source to see more of our stories on Google. Though almost everyone experiences acid reflux at some point in their lives, it may actually be responsible for more health issues ...

Medically reviewed by Robert Burakoff, MDKey TakeawaysHeartburn can be caused by spicy foods, carbonated beverages, and certain medications.If heartburn is frequent or severe, it may be due to serious ...