Adolescence is a period that makes a shift from childhood to adulthood. All body organs fully mature enabling the adolescent privileges. The adolescent must adapt to a rapidly changing body contours for several years. To maintain physique and figure, what type of eating habit they develop is of important concern. This study aims to identify and analyze the effect of dietary habits on BMI of adolescents. A descriptive correlative research design with convenient sampling technique was utilized to conduct the study. The study was carried out in selected High School, Mangalore. The sample comprised of adolescents in the age group of 12 to 15 years. Weight and height of the subjects were checked respectively. Rating scale with 40 items was used for data collection.

Keywords : Body Mass Index, Adolescents, Eating Habit.