Nature Neuroscience 8, 1465 - 1470 (2005)
Published online: 26 October 2005; | doi:10.1038/nn1580
Nicotine addiction and comorbidity with alcohol abuse and mental illnessJohn A Dani1
& R Adron Harris21
John A. Dani is in the Department of Neuroscience, Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, Houston, Texas 77030, USA. jdani@bcm.tmc.edu
2
Adron Harris is at the Waggoner Center for Alcohol and Addiction Research, University of Texas, Austin, Austin, Texas 78712, USA. The World Health Organization estimates that one-third of the global adult population smokes. Because tobacco use is on the rise in developing countries, death resulting from tobacco use continues to rise. Nicotine, the main addictive component of tobacco, initiates synaptic and cellular changes that underlie the motivational and behavioral alterations that culminate in addiction. Nicotine addiction progresses rapidly in adolescents and is most highly expressed in vulnerable people who have psychiatric illness or other substance abuse problems.
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