Tobacco Use Topic page summarizing evidence report on tobacco use. This outdated information has been archived and is available for reference purposes only. To access the archived document, please go to: http://archive.ahrq.gov/clinic/epcarch.htm. Current as of August 2012 Internet Citation: Tobacco Use. August 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/redirects/tobuse.html