Binge Eating, Depression and Anxiety Outcomes After Sleeve Gastrectomy Versus Gastric Bypass: A Cohort Study

Inclusion Criteria: * Age between 18 and 60 years * Body Mass Index (BMI) ≥ 35 kg/m² without comorbidities, OR BMI ≥ 30 kg/m² with at least one obesity-related medical comorbidity (e.g., type 2 diabetes, hypertension, obstructive sleep apnea, dyslipidemia) * Patient is generally fit for laparoscopic surgery and general anesthesia as determined by preoperative evaluation * Patient agrees to comply with postoperative lifestyle changes (dietary modifications and follow-up schedule) * Willing and able to provide written informed consent Exclusion Criteria: * Age \< 18 years or \> 60 years * Inability or unwillingness to adhere to postoperative lifestyle changes * Contraindication to surgery: American Society of Anesthesiologists (ASA) class IV or higher * History of receiving radiotherapy or chemotherapy for cancer treatment * Active substance use disorder or uncontrolled severe psychiatric illness that would impair ability to comply with study procedures (e.g., active psychosis, severe suicidal ideation) * Pregnant or breastfeeding women (pregnancy test performed preoperatively per institutional protocol) * Previous bariatric surgery (revisional surgery excluded) * Untreated thyroid disorder (e.g., hypothyroidism or hyperthyroidism)