 Later that year, Health Canada ruled that a pairing of similarly-themed reminder and help-seeking commercials ran afoul of the regulations, as their combination constituted a full product ad.There is no regulation requiring direct-to-consumer ads illegal under Canadian law to be removed or substituted when U.S. television channels and print publications are distributed within Canada.In 2014, York University professor and physician Dr. Joel Lexchin, and University of British Columbia associate professor Barbara Mintzes, published a study that highlighted 10 DTC cases between 2000 and 2011 with "unsatisfactory" responses from Health Canada.