У вашего броузера проблема в совместимости с HTML5
Ron Dahl MD, professor at the UC Berkeley School of Public Health and director of the Institute of Human Development, presents at the school’s research symposium, “A Second Chance in the Second Decade: Adolescence as a Key Developmental Window to Transform Population Health,” December 8, 2014.
Dr. Dahl is a pediatrician and developmental scientist working to advance understanding of adolescence through innovative transdisciplinary developmental science with a long-term goal of identifying policy-relevant opportunities and leverage points for improving the developmental trajectories of health, education, and well-being among youth.