Colonic DiseasesColonCrohn DiseaseEnemaColitis, UlcerativeRectumColonoscopyIntestinal MucosaColonic NeoplasmsColonic Diseases, FunctionalColonic PolypsBipolar DisorderMental DisordersColitisAnxiety DisordersMood DisordersGastrointestinal TransitColonic Pseudo-ObstructionGastrointestinal MotilityDiverticulosis, ColonicDiagnostic and Statistical Manual of Mental DisordersDiverticulitis, ColonicDextran SulfateDepressive Disorder, Major