For adolescents today, social media can amplify ordinary feelings of inadequacy or loneliness into fatalistic thinking and even an increased vulnerability to risky or harmful behaviors. What's a parent to do? Listen in as host William C. Moyers talks with psychiatrist Joseph Lee, MD, about the convergence of cultural polarization, family stressors, technology and other influences on the health and well-being of youth, specifically in relation to mental health and substance use.