title: Reply to Polyzos and Kountouras.
authors.affiliation: Department of Gastroenterology, University Hospital of Heraklion, Crete, Greece.
authors.forename: Sotirios
authors.initials: S
authors.lastname: Terzoudis
authors.forename: Christos
authors.initials: C
authors.lastname: Zavos
authors.forename: Ioannis E
authors.initials: IE
authors.lastname: Koutroubakis
mesh_terms: D050154:Adiposity; D001851:Bone Diseases, Metabolic / Q000209:etiology*; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000150:complications*; D010024:Osteoporosis / Q000209:etiology*