I just heard a commercial about stopping smoking, and they named off some of the chemicals in cigarettes, and it took my breath away. So I googled "chemicals in cigarettes." Do it yourself if you want or go here, and here, the first two sites in the google search, and here for Wikipedia. No, it didn't list whale vomit, but you aren't going to believe what is there.
No wonder people are addicted.
No wonder people are dying.
If you're a smoker, don't avoid looking at these lists. Maybe it will give you the revulsion you need to quit.