Cigarettes make you stink, they are expensive (here at least) and cause cancer!
3 great reasons not to do it..
So? I'm pretty sure that a ton of people eat foods that are also causing cancer, yet nobody bats an eye.
This is what I was going to say. Most meats are filled with chemicals and nasty hormones both that the cow ingests whilst it's alove and then what is injected into the meat after it is prepared. Many of these things have links to causing cancer.