Shame this article didn't touch on the issue of nicotine gums. I know several people who have used these for several years and long term use doesn't seem to be recognised as something with possible health consequences which should be explored. I've no idea if chewing nicotine gum for years has negative consequences, the manufacturers don't seem to have tested it, and there seems to be little information on this. It'd be great if this could feature in a future article.