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American Legacy FoundationUS non-profit dedicated to research, providing grants to community organizations, cessation and prevention initiatives including the truth campaign and Become an EX cessation program

Smoking Publications Cancer Prevention Research Centre, University of Rhode Island

Mayo Clinic Nicotine Dependence

Americans for Nonsmokers' RightsThe only national lobbying organization dedicated to non-smokers' rights, taking on the tobacco industry at all levels of government to protect non-smokers from secondhand smoke and youth from tobacco addiction

http://www.cigarettelitter.org/Informal non-profit dedicated to raising awareness about tobacco litter across the US

Cigarette LitterCreated by Clean Virginia Waterways of Longwood University