Oxidative DNA damage estimated by urinary 8-Hydroxy-2' Deoxyguanosine (8-OHdG) and 8-Oxoguanine DNA Glycosylase (OGG1) in cigarette and non-cigarette smokers in South West Nigeria
4.0 4.1 City of Chicago , "Cigarette Tax (7506)," accessed March 8, 2016 5.0 5.1 5.2 Tobacco Free Kids , "Top Combined State-Local Cigarette Tax Rates," January 6, 2016 6.0 6.1 City of Chicago , "Mayor Emanuel Introduces Ordinances to Crack Down on Latest Tobacco Industry Efforts to Hook Youth," January 13, 2016 Byrne, J
According to Tobacco Free CO, raising the minimum tobacco purchasing age from 18 to 21 has proven to help keep tobacco out of the hands of youth
N.p.: Springer Science & Business Media, 2012
So smuggling cigarettes from low-tax states and selling them in high-tax states is enormously profitable