I started when I was 12. back then nobody asked about age or who they were for. Raised by my grandparents and they never said I shouldn't smoke, just told me if I was going to then do it, don't hide it. I lit one right then in front of them.Fast forward 38 years. heard about chantix and decided to give it a try. Not a nicotine substitute, it is a mind control drug that blocks the cravings and nervousness. I took it for the first week then got up one morning and just did not pick up my cigs and lighter. They are still laying on the nightstand as a reminder. Took the Chantix for 4 weeks and it took 2 more weeks for it to clear out of my system. Only side affect is you will have some really strange dreams after taking it for a couple weeks. LOL I still reach for my shirt pocket out of habit, but they aint there and I just go on.