Ridesharing services have reshaped urban transportation. We examine how they have also affected alcohol consumption and traffic crashes.

Gun violence is a modern public health crisis in the US. We investigate how environments—on street fronts, in neighborhoods, in cities, and in states—shape this national trauma.

Human made features of the physical environment shape all aspects of our health and wellbeing. We study how to alter these features to prevent injury and death.

Alcohol contributes to around 5% of all deaths around the world every year. Our research considers how the retail outlets that sell alcohol affect their local communities.

Sobriety checkpoints reduce drunk driving and alcohol-involved crashes. We study how to maximize public health benefits and reduce their social and operational costs.

Epidemiology’s origins are spatial. We apply spatial epidemiologic methods to problems of global significance, whether on our doorstep or around the world.