MedicalResearch.com Interview with: Joanne E. Brady SM Senior Staff Associate Department of Anesthesiology Doctoral Candidate in Epidemiology Columbia University Medical Center New York, NY 10032 Department of Epidemiology, Columbia’s Mailman School of Public Health MedicalResearch.com: What are the main findings of the study? Answer: The prevalence of non-alcohol drugs detected in fatally injured drivers in the U.S. increased from 17% in 1999 to 28% in 2010.  The increases are largely driven by the tripling in the prevalence of cannabis. (more…)