Irritable bowel syndrome, or IBS, is among the most common gastrointestinal conditions today. It affects some 10% to 15% of people in the U.S., per the American College of Gastroenterology.

Irritable bowel syndrome (IBS) is a common digestive disorder that affects the intestine, causing symptoms such as abdominal pain, bloating, gas, and changes in bowel habits, including diarrhea, ...