“…Previous studies have analysed YouTube as a source for information on ‘smoking’,37 top cigarette brands,38 smoking cessation,39 smokeless tobacco,40 41 smoking imagery associated with cigarettes,42 smoking fetishes,43 usage of electronic nicotine delivery systems (ENDS)44 and hookah 45. Results have shown that YouTube videos are often protobacco,37 38 42 43 and may promote the use of new products, such as smokeless tobacco,40 41 ENDS,44 or hookah 45. Additionally, a study by Elkin et al 38 noted that, despite the tobacco industry vehemently denying advertising on the internet, 20 out of 163 videos analysed appeared to be professionally made 46.…”