While drug abuse continues to blight society, science is getting a clearer view of the causes and effects of addiction, as this special issue of Science shows. The following News stories describe a new view of how the neurotransmitter dopamine may contribute to addiction and how fetal cocaine exposure may affect brain development. And a series of Articles beginning on page 45 covers areas ranging from basic mechanisms of addiction to policies aimed at dealing with addictive drugs.
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Ingrid Wickelgren (1997) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: