Reason why it is hard for a smoker to stop smoking is the nicotine which drives a person to become a cigarette addict. Most deaths today are cause disease smoking carries. How to quit this bad habit? Start controlling yourself.
We all get addicted really easily to things we love. Some of those may be more addictive than others. I can't really tell what is like to be addicted to alcohol, cigarettes, drugs or anything like that since I never tried to. So when I am trying to write about addiction is not really addiction, although some scientists are reporting that athletes with hard working training sessions are addicted and can't live without the bike.