You probably already know the detrimental effects of long term smoking, you've had the health issues drummed into you time and time again. Perhaps you've reached the point when smoking is no longer serving the same purpose it used to for you, in fact it's becoming a nuisance and you're determined to stop and break free from being tied to the monotonous cravings every day. Yet despite all your best intentions, the good advice and rational thinking, you still continue to smoke. So why can't you just stop?