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.

including whether or not any relative has irritable bowel syndrome (IBS). That's because up to 95% of kids with persistent ...

About 10 to 15 percent of adults in the U.S. have irritable bowel syndrome, a condition that causes abdominal pain, gas, diarrhea, and constipation. It’s typically diagnosed in early adulthood ...