A prospective study to evaluate addiction remission and addiction transfer 6 and 24 months after primary surgery (sleeve gastrectomy, Roux-en-Y- gastric bypass and One anastomosis gastric bypass) in obese patients. A questionnaire evaluating food addiction (Yale Food Scale), alcohol addiction (Audit Scale), nicotine addiction (Fagerström Scale), exercise addiction (Exercise Addiction Inventory), internet addiction (ISS20) and drug addiction (Drug Use Questionnaire) gets completed prior to surgery and 6 and 24 months after surgery.
To evaluate addiction remission and addiction transfer after bariatric surgery.