Second-hand smoke and hookah pipes
(Disponible en anglais seulement.)
Water pipe smoking has been gaining popularity in recent years in Canada, especially among young adults. It is seen as a social exotic activity that is safer and less addictive than cigarette smoking. Hookah lounge owners in Toronto, Calgary and Vancouver, have successfully sought smoking bylaw exemptions.
http://www.nsra-adnf.ca/cms/file/pdf/Hookah_pipes_March_2008.pdf
Comment: Although the tobacco used in hookahs is mellower and less carcinogenic than that associated with cigarettes, hookah tobacco is still tobacco and the health risks remain.