Quote:
Originally Posted by DieselAddict
There will never be precise numbers just like smoking isn't guaranteed to give everyone lung cancer by a certain age. It really comes down to an educated guess.
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How imprecise a number do you expect? They do have a figure that says an average smoker decreases his lifespan by 3 mins for each cig he smokes. OTOH, it doesn't say 3 mins if you smoke Marlboro Lights and 2.8 if you smoke Camel Wide Lights or 5 mins if you smoke unfiltered cigarettes.