Objective: It is known that social isolation process has an impact on individuals’ eating behaviors. Continuing nutritional behavior resulting from emotional eating, uncontrolled eating and cognitive restriction may turn into eating disorders in the future. The purpose of this study is to evaluate the possible effects of Corona Virus Disease-2019 (COVID-19) pandemic and social isolation process on individuals’ nutritional behaviors and body weight changes. Design: Retrospective cohort study. Setting: Nutritional behaviors of the participants before the COVID-19 pandemic and in the social isolation process were evaluated with the Three Factor Nutrition Questionnaire (TFEQ-R18). The changes in individuals’ body weight during this period was also evaluated. Participants: A total of 1036 volunteer individuals (827 women, 209 men) aged 18 and over participated in the study. Results: During the COVID-19 pandemic and social isolation process, there was an increase in emotional eating and uncontrolled eating behaviors of individuals, but no significant change in cognitive restriction behavior occurred (p = <0.00; p = <0.00 and p = 0.53, respectively). It was reported that the body weight of 35% of the individuals who participated in the study increased during this period. Conclusion: Social isolation process practiced as a result of COVID-19 pandemic may lead to changes in some nutritional behaviors. Some precautions should be taken to prevent this situation that occurs in nutritional behaviors from causing negative health problems in the future.

Due to its multidimensional nature, impulsivity is defined in many different ways in the literature. When considered in the context of the behavioral impulsivity model, impulsivity is reported to include the elements of rapid and unplanned reactions to stimuli before the information is fully processed, inability to consider long-term consequences, and decreased sensitivity to the negative consequences of the behavior. 1

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One of the determinants of food intake, impulsivity may contribute to the development and maintenance of obesity by triggering uncontrolled and excessive eating. It is estimated that increased impulsivity makes it harder to resist foods high in sugar, salt and fat. Evidence has been increasing in recent years regarding the roles of different components of impulsivity in obesity and some eating behaviors (especially uncontrolled, emotional and restrictive eating). Unfortunately animal and human experiments examining the effects of dietary interventions on impulsivity and cross-sectional studies examining the food choices and consumption habits of individuals with high impulsivity are limited. Considering the role of impulsivity in eating disorders is important to elucidate the development and onset of eating disorders, as impulsivity may be associated with some impaired eating behaviors and behaviors such as substance use and non-suicidal self-harm. Current research shows that the use of impulsivity-focused approaches (computer-assisted cognitive training, psychotherapy etc.) to modify impulsivity in people with binge eating episodes is promising. In addition, mindful and intuitive eating trainings that focuses on problematic eating behaviors and difficulties in controlling food intake, can use in the treatment of eating disorders and obesity for reducing the level of impulsivity. In these treatments, complementary therapy to reduce impulsivity in addition to the classical diet approach should be considered. This article examines the role of impulsivity in obesity and eating behaviors, the results of current intervention studies on this subject, and treatment approaches targeting impulsivity.