Intra-group tests. Quantitative variables: Student's parametric T test for related samples, Wilcoxon non-parametric test. - Evaluate changes in food consumption (portions / day) in the short term (evaluation 1 to 2) and medium term (evaluation 1 to 3) in the intervention group and in the control group. -Evaluate modifications in the score of each TCS construct, in the short and medium term, in each group. -Evaluate changes in the anthropometric indicators, in the short and medium term, in each group.