In Session 3, recorded as a live webcast, Hanna Pickard - a Bloomberg Distinguished Professor of Philosophy and Bioethics cross-appointed to the William H. Miller III Department of Philosophy and the Berman Institute of Bioethics - and Travis N. Rieder - a philosopher and bioethicist at the Johns Hopkins Berman Institute of Bioethics, where he directs the Master of Bioethics degree program -- tackle trends, causes, and potential solutions related to drugs and addiction. Visit www.jhu.edu/hopkinsathome to see more lectures and mini-courses.