<qa>  What is the purpose of the small randomized pilot trial?We seek to: 1 conduct the formative work to adapt the cessation materials and exercise protocol from focus on adult women to adolescent girls, and 2 conduct a small randomized pilot trial to determine the preliminary efficacy of the intervention in a sample of adolescent girls. Therefore, this study, will serve as a pilot for a larger clinical trial. Successful smoking cessation in adolescent girls could contribute to the future reduction of chronic disease morbidity and mortality in this group. 