Effects of smoking cessation on presynaptic dopamine function of addicted male smokers

Abstract Background: There is evidence of abnormal cerebral dopamine transmission in nicotine-dependent smokers, but it is unclear whether dopaminergic abnormalities are due to acute nicotine abuse or whether they persist with abstinence. We addressed this question by conducting longitudinal positron emission tomography (PET) examination of smokers before and after 3 months of abstinence. Methods: We obtained baseline […]

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