Quitting the habit: neurobiology, addiction and the insidious ciggie

Smokers cling to the ciggies for dear life, knowing it will likely be a much shorter one. An anti-smoking drug released in Australia targets nicotine receptors in the brain, working differently to traditional nicotine replacement therapies. But are we too fixed on a quick fix for addiction? And, the challenge of investigating post-marketing reports that the drug may trigger suicidal thoughts and behaviour in some users. Real side effect of the meds, or part of nicotine withdrawal?