October 2007 Reviews a journal supplement that compiles studies on drug-related HIV transmission, with a focus on injection drug use, in 16 different localities across the globe.
April 2007 Describes research on a vaccine developed to facilitate smoking cessation by blocking nicotine penetration into the brain.
April 2007 Reports on the work of scientists who have linked impulsiveness and risk-taking among adolescents to immaturity of the brain region called the orbitofrontal cortex.
February 2007 Describes evidence supporting the view that developmental differences in brain systems that use the neurotransmitter dopamine underlie age differences in susceptibility to drug abuse.
February 2007 Summarizes a study that analyzes factors associated with the risk of drug addiction among 19- to 21-year-old Hispanic women born in the United States as compared with immigrants.