We thank Monica Deza and Kyu Matsuzawa, and seminar participants at the University of Kentucky, Southern Economic Association Annual Conference, Western Economic Association Annual Conference, and IHEA Virtual Seminar on the Economics of Risky Health Behaviors for very helpful comments. Dr. Sabia acknowledges research support from the Center for Health Economics & Policy Studies (CHEPS) at San Diego State University, which includes grants received from the Charles Koch Foundation.