Very: The lungs lose elasticity over time and smoking greatly speeds this. If you want to enjoy your old age, quit now if you possibly can. The risk of cancer is very real and cancer is even worse than most people have been told. Why make some filthy tobacco company ceo rich? You're smart enough to have found healthtap -- now take charge and do whatever you can to cut down or cease altogether.
Answered 3/16/2013
5.6k views
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