Cigarette and Smoke Odors are the most challenging because tar and nicotine particles embed into upholstery, headliners, and even metal surfaces
"The Presumption of Liberty and the Public Interest: Medical Marijuana and Fundamental Rights" Archived 2007-07-11 at the Wayback Machine 1 2 "Transition of Substance-Induced, Brief, and Atypical Psychoses to Schizophrenia: A Systematic Review and Meta-analysis"
Goofy : During the history of smoking in "No Smoking", the Goofy facing the firing squad has his last cigarette lit by a bullet
Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, 2004 1 2 Cigarette Smoking Among Adults and Trends in Smoking Cessation United States, 2008 "Annual Smoking-Attributable Mortality, Years of Potential Life Lost, and Economic Costs United States, 19951999"