People have a right to make their own choices period. Regardless of how it affects others.
Second hand smoke proven by the FDA and other Organizations have no longer term effects. The "smoke" blowing is from business influence trying to determine the best course for someone else's life.
Learn about it. Smoking is a choice. It comes from a product that is legally sold in the U.S.
There is NO banning or making it illegal, because of the FREE MARKET Society we operate. Some people will argue it is an addiction- this is a view that promotes business services to treat a problem that truly boils down to one person using their own will to overcome.
Richie, this isn't directly at you, just in general. You happen to be the person I responded to. Just to let you know. 
I smoke and have since I was 13 years old. I quit for 4 years and started back up at 17 years old and have continue to this day. I am presently 41 years old. I have tested my own will against the so-called addiction, and know I can quit anytime I choose to.
Do I know the results that which are going to kill me. Yes, I do. Do I not value my life? Yes, I do. If you see my actions as a devaluation of my life, then you obviously don't understand your rights as a person nor do you understand living life.
My life consists of me doing what I want. I am honest and pursue my own self-interests, so as to develop self-growth. My actions, which involve my business, is a selfless act that builds my spirituality as a person. I protect my individual right to life and freedom of choice, and there isn't single person on the planet has a right to tell me differently.