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Gene-Centric Analysis of Serum Cotinine Levels in African and European American Populations
To date, most genetic association studies of tobacco use have been conducted in European American subjects using the phenotype of smoking quantity (cigarettes per day). However, smoking quantity is a very impr...
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Article
Effects of Acute Tryptophan Depletion on Negative Symptoms and Smoking Topography in Nicotine-Dependent Schizophrenics and Nonpsychiatric Controls
We studied the effect of acute tryptophan depletion (ATD), which transiently reduces brain serotonin, on negative symptoms and cigarette smoking topography in schizophrenic smokers. Nicotine-dependent schizoph...