This study entitled “Comparative study to assess the knowledge and practice regarding junk food and its harmful effects on lifestyle among adolescents in urban and rural schools at Deoria district, Uttar Pradesh” submitted in the year 2022.

Aims: The objectives are to assess the level of knowledge and practice on junk food and its harmful effects on lifestyle among adolescents in urban and rural schools at Deoria district, Uttar Pradesh, to compare the knowledge and practice regarding junk foods and its harmful effects on lifestyle between adolescents of urban and rural school, to associate finding with selected demographic variables.

Design and setting: Comparative descriptive approach was adopted. Total 530 youngsters of selected schools from urban and rural area were participated by obtaining their informed consent.

Methods and Material: Samples were chosen through convenient sampling technique. Instrument administered for data collection was pre-validated self-administered questionnaire.

Statistical Analysis used: Descriptive and inferential statistics were adopted.

Results: Majority (62%) had good knowledge, 17% had excellent knowledge, 16% had moderate knowledge, and only 5% had poor knowledge in urban adolescents whereas adolescents from rural school 49% had moderate knowledge, 36% had well and 9% had poor knowledge. Also, there is a significant difference between in knowledge and practice scores of adolescents from urban and rural schools.

Conclusion: Findings of the study showed that adolescents have lack of knowledge and practice and also consumes a greater amount of junk food.