Helping young people develop a healthy lifestyle could have long term implications for their health and wellbeing. In this podcast, Mia Parkinson, Cochrane Communications Officer, talks with Daniel Lee from the University of Newcastle in Callaghan, Australia, about the December 2024 update of the Cochrane review of ways to enhance the implementation of school-based policies or practices to improve diet and physical activity and reduce obesity, and the use of tobacco and alcohol.