Objective To determine the impact of sleeve gastrectomy in patients suffering from depression compared with those who are not in a depressive state. Introduction Obesity is considered a global epidemic. Often patients with obesity suffer from depressive state. Depressive disorders may be both a cause and a consequence of obesity. Material and methods The study includes 300 consecutives patients that underwent laparoscopic sleeve gastrectomy. Out of the 300 patients, 253 (84.33%) of them completed the follow up for three years. Results Out of the 300-patients, with the average age of 41.65±11.05 years old, the ratio of males to females was 1:2. The average baseline BMI was 42.02 kg/m2. A total of 105 (35.33%) of the patients suffer from depression, which was more common in male (43%) than in female (31.5%), with statistically significant difference (p = .05). Comparing the weight loss after surgery in both groups, the mean weight loss in the depression-group was 12.0 ΔBMI and in the non-depression group was 13.03 ΔBMI, (p< .001). After three years, 94 (88.68%) patients of the depression group responded as they were optimistic and satisfied with the results of the operation, with positive changes in their lives, 8 (7.55%) did not experience change and 4 (3.77%) expressed to have worsened their depressive state. Conclusion Laparoscopic sleeve gastrectomy is successful and leads to weight loss even in subjects who are affected by depression syndrome.

<b><i>Setting:</i></b> In a private medical center, 300 patients who underwent a laparoscopic sleeve gastrectomy (LSG) were classified into 4 groups according to their eating behaviors (EB) preoperatively. During a 3-year postoperative follow-up, dietary changes in relation to weight loss were studied. <b><i>Objectives:</i></b> To explore the influence of abnormal EB on the outcome of sleeve gastrectomy. <b><i>Background:</i></b> Patients with morbid obesity often suffer from abnormal EB. After LSG, the outcome depends largely on improvement of the feeding behaviors acquired. <b><i>Methods:</i></b><i></i>This prospective study includes 300 patients who underwent LSG from 2013 to 2014, divided into the following 4 groups: binge eaters, snack eaters, sweet eaters, and volume eaters. <b><i>Results:</i></b> The average age was 41.65 years, the ratio of male to females was 1 to 2. The average baseline body mass index (BMI) was 42.02. After 3 years, no significant change was found in the number of binge eaters (<i>p</i> = 0.396), but there was an 8.9% increase in snack eaters (<i>p</i> &#x3c; 0.001), a 12.9% increase in sweet eaters (<i>p</i> &#x3c; 0.001), and 17.2% increase in healthy eating habits (<i>p</i> &#x3c; 0.001). Sixty-five (24.8%) patients did not experience changes in their eating patterns. However, after surgery, 24.6% of the patients continued with the same EB and 125 (49.5%) patients changed from one EB to another unhealthy EB. Weight loss, measure as ΔBMI, was similar in each group after 3 years, with a mean BMI of 29.8. When eating habits were related to different features such as gender, sports practice, type of work, smoking, marital status, comorbidities, no influence on the operative results were found. <b><i>Conclusion:</i></b> LSG promotes the reduction of overeaters; however, it promotes a switch between other unhealthy EB. The significant increase in snack eaters and sweet eaters is outstanding, although it did not affect weight loss in the midterm follow-up. Worsening of eating habits after LSG is a common fact.

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