Population Health Sciences and Epidemiology are thought about as different from one another by some, and largely overlapping by others. Depending on who you talk to, either view might spark an argument. In this crossover episode, I get the chance to chat with Aresha Martinez-Cardoso, Darrell Hudson, and Michael Esposito, hosts of the IAPHS podcast. We may or may not actually answer the question: what’s the difference between these two fields anyway?