Chaloupka, Frank J.Johnston, Lloyd D.Abstract available at publisher's website.PolicyPrenatal & Pediatric HealthObesityinterventionsstudiesBridging the GapRobert Wood Johnson Foundationadolescentsalcoholtobaccoillicit drug useobesity childrenhealthy eatingphysical activityBridging the Gap: research informing practice and policy for healthy youth behaviorArticle