Mindful Eating Intervention Using EATS UP App: Effects on Body Composition and Insulin Resistance in Obese Adolescents

The goal of this experimental study is to develop and evaluate the effectiveness of a Mindful Eating Intervention (MEI) model integrated with the digital application EatsUp for improving body fat percentage among obese adolescents in Indonesia. The study aims to address the rising prevalence of adolescent obesity and its associated health risks, such as insulin resistance and cardiometabolic syndrome, by promoting mindful eating habits and healthy lifestyle behaviors. The main questions it aims to answer are: * Is the MEI model valid and acceptable for use among obese adolescents? * Does the MEI model reduce: * Body fat percentage? * Waist-to-height ratio (WHtR)? * Homeostatic Model Assessment of Insulin Resistance (HOMA-IR)? * Does the MEI model improve eating behavior scores compared to a control group over 12 weeks? Participants will: * Use the EatsUp app, designed to monitor calorie intake/output and deliver mindful eating and nutrition education. * Receive training on mindfulness-based eating practices, along with guidance on balanced nutrition and physical activity.