Choi JE, Kang HG, Jang JS, Choi YY, Kim MJ, Kim JS, Jeon HS, Lee WK, Cha SI, Kim CH, Kam S, Jung TH, Park JY: Polymorphisms in telomere maintenance genes and risk of lung cancer
On top of that, second-hand smoke can kill people who have never smoked a cigarette
Additional considerations come into play when the driver is smoking with minors in the vehicle, as some states have enacted laws to protect young passengers from the harms of secondhand smoke
Levels of two key carcinogenic nitrosamines N -nitrosonornicotine (NNN) and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK)were roughly five and seven times as high, respectively, in the dust of smokeless-tobacco households as in samples from tobacco-free households