We're joined for the first in a two-part series with Dr. Robert Platt, a professor in the Departments of Pediatrics and Epidemiology, Biostatistics, and Occupational Health at McGill University. Dr. Platt is a senior investigator at the McGill University Health Center, the Lady Davis Institute at the Jewish General Hospital, and a leading expert in pharmacoepidemiology. He holds the Albert Behringer Endowed Chair in Pharmacoepidemiology and is a pioneering figure in causal epidemiology.