IBS (irritable bowel syndrome) can be an uncomfortable and, at times, unpredictable issue. However, researchers now believe that they've identified a diet that can help certain people with IBS. IBS is a chronic condition that affects the large intestine and can cause cramping, abdominal pain, bloating, and gas, as well as diarrhea and constipation, according to the Mayo Clinic . "It's important to find the root cause of IBS, which is very individualized. Stress , poor diet, medications, and gut infections are common reasons for IBS," Erin Kenney, MS, RD, LDN, HCP, CPT , the author of Rewire Your Gut and Rewire Your Sweet Tooth, tells Eat This, Not That! That's partly why researchers took a look at stool samples collected from 56 people with IBS as well as those who live (and eat) with the study subjects, according to the aptly named Gut journal. After comparing samples over a period of four weeks, researchers found that those with IBS who also had a gut micr