<![CDATA[Adolescents are vulnerable to physical and mental health problems. Lack of health information makes adolescents influenced by misinformation, which can trigger detrimental things. The main issues of this topic are lack of information about adolescent nutrition and mental health, unbalanced food consumption patterns, negative stigma related to adolescent mental health, and lack of use of mobile health. These problems are caused by limited access to health information and the absence of health educators in schools. The solution offered was education and training on adolescent nutrition and mental health. This activity aimed to improve the knowledge and skills of adolescents with mobile health-based health education. Community service activities are carried out through peer health educator training, adolescent nutrition education, mental health education, and training on mobile health applications. This community service was attended by 80 students of SMKN 4 Sukoharjo. Results showed an increase in knowledge from an average pretest of 45.19 to a posttest of 87.51. Participants were skilled in using digital health-based applications for adolescent nutrition and mental health. In addition, peer health educator training demonstrated efficient health communication skills. Recommendations for sustainability are for school management to collaborate with Baki Health Center to hold education on other adolescent health topics and optimize the school health unit.]]>
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