How come they can advertise no smoking products?

Economics. As revenue falls from tobacco sales then the government must make up the short fall. Amongst the many ways it can use is to recoup some of the money by introducing people into addictive nicotine replacements and gathering the tax they place on this 'healthy alternative'. Hitler also showed us the evils of banning hunting. Look at the way the surveillance society and petty bureaucracy has grown in the UK since the hunting ban.

I'm not a quitter! Once i start something, i have to see it through to the end :D

So not smoking is bad for you?