Relation of Food Addiction in Overweight/ Obesity, Depression and Impulsivity: a Systematic Review and Meta-Analysis

Background: Overweight and obesity have increased cases of eating disorders and psychiatric disorders.Objective: The aim of the present study was to demonstrate the relationship between overweight/obesity, depression, impulsivity, and food addiction.Methods: A systematic review and meta-analysis were carried out through the PRISMA guidelines using databases PubMed, Science direct, and Scielo, with English articles published from 2009 to 2019.Cross-sectional and experimental studies examining the association between overweight/obesity, Food addiction, and psychiatric disorders.Results: A total of 32 studies were included for systematic review, and 12 studies used for meta-analyses. Two authors independently extracted the data about nutritional status, Yale Food addiction scale, food addiction prevalence, other eating disorders, and depression and impulsivity outcomes. The risk of bias was evaluated in the Revman 5 software and a low risk of bias was observed.Conclusion: These studies found evidence that food addiction can be associated with overweight and obese. There was a greater association between food addiction and symptoms of depression and impulsivity, especially in overweight/ obesity.