Abstract
Objective: To analyze in the literature scientific productions about the relationship of eating habits to the appearance of obesity and type 2 diabetes mellitus in childhood and adolescence. Methodology: A bibliographical study carried out in the Virtual Health Library: Scientific Electronic Library Online (SciELO), Latin American and Caribbean Health Literature (LILACS) and the Medical Literature Analysis and Retrieval System Online (MEDLINE), from 2008 to 2018. Results and Discussion: We selected 10 articles related to the area, where the literature showed that the consumption of children and adolescents is unbalanced, and this reality are precursors to the increase of chronic diseases such as diabetes mellitus in this early phase that is adolescence, leading to still a collective health problem in the future. Final considerations: It is necessary to alert the population to the nutritional risks that may arise during childhood and adolescence, and it is of great importance to reeducation and the implementation of nutritional education activities in schools, which can help in the formation of healthy eating habits, in maintaining proper health and body weight control.