Recovery of dopamine function emerges with recovery from smoking

7/28/16–A new study reports that smoking-related deficits in brain dopamine, physician a chemical implicated in reward and addiction, return to normal three months after quitting. The normalization of dopamine systems suggests smoking-related deficits are a consequence of chronic smoking, rather than a risk factor. These findings raise the possibility that treatments might be developed that normalize the dopamine system in smokers. Read