The Effect of Chewing Gum on Small Bowel Transit Time

Inclusion Criteria: * All out-patients \> 19 years old presenting for capsule endoscopy Exclusion Criteria: * Patients on narcotics * Patients on motility enhancing and/or slowing drugs should stop these at least 5 days prior to the procedure or be excluded from the study. * Patients, who have proven or suspected obstruction of the bowel. * Patients, who have had prior small bowel and/or gastric surgery. * Patients with an ileostomy. * Patients who have a known and/or have a history of swallowing disorder * Patients with diabetes and/or hypo-/hyper- thyroidism * Patients in whom the capsule become impacted at a stricture (these patients will be taken out of the study and given the necessary medical/surgical treatment).