title: Is there such a thing as 'roughage'?
mesh_terms: D002482:Cellulose / Q000627:therapeutic use*; D004043:Dietary Fiber / Q000378:metabolism / Q000627:therapeutic use*; D004239:Diverticulitis, Colonic / Q000178:diet therapy; D006801:Humans
chemical_list: D004043:Dietary Fiber; D002482:Cellulose