Dr. Rehm is a leader in generating and analyzing the scientific data needed to inform clinicians and policy-makers of strategies to reduce alcohol-, tobacco-, and other drug-related harm. His recent research has more and more included interactions between socio-economic status, poverty and substance use, including analysis of policies and interventions with respect to reducing or increasing inequalities. His work has been awarded with numerous awards and prizes, most importantly, the Jellinek Memorial Award (2003) and the European Addiction Research Award (2017).