Smoking is worst habit in the world and it causes many health issues and that is a reason, it is always recommended to quit smoking as fast as possible. You should never get worried at all because if you are also habituated with such habit then you can of course leave it and never try it. It is not a big deal quitting smoking just simply you can leave it easily. First of all, it takes time to leave this habit but when reduce smoking then automatically find quitting smoking at the same time. There is nothing worried at all...