Up to 15 percent of the population worldwide suffers from the cardinal IBS symptoms, altered bowel habits, and abdominal pain and discomfort. Several studies have reported altered gut microbial communities in a subset of patients, but it’s not clear yet which of the available therapies that aim to restore balance to these gut microbiota (including antibiotics, probiotics, a special diet, or fecal microbial transplantation) work best in individual patients.
