Over the past decade, hip-hop music has become a world-wide phenomenon and, in 2017, surpassed rock as the biggest music genre in the United States. Up until now little has been known about how often, or in what context, tobacco and marijuana products and imagery appear in hip-hop music culture. In order to get a better understanding of the presence of these products--and the potential public health threat they pose--a team of researchers [...] analyzed leading hip-hop music videos over the five years from 2013-2017.