Cedars-Sinai Medical Center GI Motility Research is seeking men and women with IBS to participate in a research study focusing on potential treatment for this difficult condition. Your participation will be medically supervised. You will receive free non-invasive tests to assess bacteria levels in the gut.If you or a friend are interested in participating or would like moreinformation, please call the GI Motility Research Office at Cedars-SinaiMedical Center at (310) 423-3792 or (310) 423-0880.Compensation: $200