What you need to know: Esophagus: The tube through which food reaches the stomach Lower Esophageal Sphincter (LES): A muscular ring-like valve that opens to let food into the stomach …
What is Irritable Bowel Syndrome? Irritable Bowel Syndrome (IBS) is a common disorder of the intestines that leads to crampy pain, gassiness, bloating, and changes in bowel habits. Read more