Colonic DiseasesCrohn DiseaseColonEnemaColorectal NeoplasmsColitis, UlcerativeColonoscopyRectumIntestinal MucosaColonic NeoplasmsColonic Diseases, FunctionalColonic PolypsAdenomaBipolar DisorderMental DisordersColorectal SurgeryAnxiety DisordersColorectal Neoplasms, Hereditary NonpolyposisMood DisordersRectal NeoplasmsAdenocarcinomaDiagnostic and Statistical Manual of Mental DisordersSigmoidoscopyAdenomatous PolypsIntestinal PolypsColitisDepressive Disorder, MajorCase-Control StudiesAdenomatous Polyposis ColiHT29 CellsAttention Deficit Disorder with Hyperactivity