Effectiveness of a School-based Obesity Prevention Program on Body Fat At 6 Months of Mexican Children

"The intervention in this study will be the same for both intervention groups, both based on the previously designed and tested Planet Nutrition Program (PNP). The program components include: nutrition education lessons (one 1-hour session per week), physical activity classes (two 1-hour sessions per week), and nutrition information for parents. The intervention will be implemented from February to June 2025."