How harmful are the emissions from cars compared to cigarette smoke?

in class some girl was reading her essay on how tobacco should be illegal and it made me wonder how harmful the smoke is compared to cars. does the cigarette smoke cause the same kind of problems as car emissions (ie. lung cancer/emphysema)?How harmful are the emissions from cars compared to cigarette smoke?
Wow. I'd ask that in like the Science area or something . That's a good question, though .How harmful are the emissions from cars compared to cigarette smoke?
Carbon monoxide from the smoke of the car produces a lot more harmful chemical and much dangerous to humans health compare to smoking a cigarette.