Changes

== Tobacco Products ==

== Tobacco Products ==

'''Cigarettes.'''  Cigarettes are the most commonly used tobacco product.  Approximately one of every five [[American]] adults is a current smoker<ref>Centers for Disease Control (2005).  Cigarette smoking among adults - United States, 2004.  ''Morbidity & Mortality Weekly Report, 54''', 1121-1124</ref>, and about 438,000 Americans die annually due to the effects of smoking; about 38,000 of these deaths are attributed to secondhand smoke<ref>Centers for Disease Control (2005).  Annual smoking-attributable mortality, years of potential life lost, and productivity losses - United States, 1997-2001.  ''Morbidity & Mortality Weekly Report, 54'', 300-303.</ref>.  While the prevalence of smoking has dropped dramatically in the past 50 years, the rate at which the prevalence is decreasing has slowed substantially<ref>Hughes, J. R., & Brandon, T. H. (2003).  A softer view of hardening.  ''Nicotine & Tobacco Research, 5'', 961-962.</ref>  Additionally, the rate of smoking has been increasing since the mid-1990s<ref>Wechsler, H., Rigotti, N., Gledhill-Hoyt, J., & Lee, H. (1998).  Increased levels of cigarette use among college students: A cause for national concern.  ''Journal of the American Medical Association, 280'', 1673-1678.</ref>.  There are nearly 5,000 different chemicals in cigarette smoke, including over 60 [[carcinogens]]<ref>Hecht, S. (2006).  Cigarette smoking:  Cancer risks, carcinogens, and mechanisms.  ''Archives of Surgery, 391'', 603-613</ref>.   

'''Cigarettes.'''  Cigarettes are the most commonly used tobacco product.  Approximately one of every five [[American]] adults is a current smoker<ref>Centers for Disease Control (2005).  Cigarette smoking among adults - United States, 2004.  ''Morbidity & Mortality Weekly Report, 54''', 1121-1124</ref>, and about 438,000 Americans die annually due to the effects of smoking; about 38,000 of these deaths are attributed to secondhand smoke<ref>Centers for Disease Control (2005).  Annual smoking-attributable mortality, years of potential life lost, and productivity losses - United States, 1997-2001.  ''Morbidity & Mortality Weekly Report, 54'', 300-303.</ref>.  While the prevalence of smoking has dropped dramatically in the past 50 years, the rate at which the prevalence is decreasing has slowed substantially<ref>Hughes, J. R., & Brandon, T. H. (2003).  A softer view of hardening.  ''Nicotine & Tobacco Research, 5'', 961-962.</ref>  Additionally, the rate of smoking in adolescents and young adults has been increasing since the mid-1990s<ref>Wechsler, H., Rigotti, N., Gledhill-Hoyt, J., & Lee, H. (1998).  Increased levels of cigarette use among college students: A cause for national concern.  ''Journal of the American Medical Association, 280'', 1673-1678.</ref>.  There are nearly 5,000 different chemicals in cigarette smoke, including over 60 [[carcinogens]]<ref>Hecht, S. (2006).  Cigarette smoking:  Cancer risks, carcinogens, and mechanisms.  ''Archives of Surgery, 391'', 603-613</ref>.   

'''Cigars.'''

'''Cigars.'''