As the title says, I smoked one cigarette offered by a stranger, it tasted awful and my tongue felt weird while smoking it. I heavily regret smoking and want to stop, it was about my fourth ever. He said the cigarettes were old, but I don't believe that effects the tobacco. I have a very weird feeling on my tongue and throat, despite it being three days ago. The feeling can't really be described, but it's like a painless burn, or it feels like a dry throat but itchy and weird, no idea. However I'm only concerned if I'm getting lung cancer or throat only after a couple, I'm often around smokers and inhale a lot of it. Am I getting throat or lung cancer? This feeling is very uncomfortable and makes me very anxious and frightened. Please, help me out with everything you've got, I'm very afraid of something effecting me.