In Episode One of Series 2 of the Lifecourse Podcast, Dr Thierry Gagné from the and Cynthia Callard, Executive Director at discuss a body of new research on smoking and vaping in Canada published in a special issue journal. is Part 1 of a Special Issue of the Health Promotion and Chronic Disease Prevention in Canada Journal edited by Jennifer O'Loughlin and Thierry Gagné. is an editorial written by Jennifer O'Loughlin and Thierry Gagné on Part 1 of the special issue.