Keep in mind that smokers are socially responsible people. While it's true that the expense of medical for cancer and emphysema is substantial and a burden on society, the costs pale in comparison to maintaining an old person through the final years.
Next time you see someone light up, approach them, shake their hand and thank them for their efforts to check out early.
Consult with only myself as your adviser or representative. My thoughts should be construed as investment advice of the highest caliber. Past performance is but a pale shadow and guarantee of even greater results in the future.