 In June 2000, Gratzer graduated from medical school and in July 2000 began a five-year psychiatry residency program at the University of Toronto.During his psychiatry residency, Gratzer continued to write newspaper opinion columns.A 2001 Gratzer column "Make room for prescription drug ads on television" advocated allowing direct-to-consumer advertising of prescription drugs on television in Canada
(the United States and New Zealand are the only countries that allow direct-to-consumer advertising of prescription drugs).