This section of E&D will focus on one of the key features of being a literate and active member of a democracy: the ability to locate, think about, and make arguments with data. While we will indeed use numbers to explore the scientific and social ramifications of alcohol and substance use (and lots of other things, too), this will not be a “math” class in the conventional sense. Nor, it must be said, will it be a conventional “humanities” class. Instead, we will consider how quantitative reasoning can shape and strengthen arguments about academic research, public policy, literature, and the choices we make in our daily lives.