Highlights findings from a study showing that nicotine triggers a surge in levels of the neurotransmitter dopamine in the brain's main reward area for cigarette smokers.
Describes study findings revealing that the act of smoking, apart from actual or expected nicotine delivery, may soothe a smoker's negative mood.
Describes research revealing that for up to 6 weeks after smokers quit, their brain cells have more nicotine-binding receptors than nonsmokers, which may explain the struggle to quit.
Highlights trends from a 2008 survey of teenage substance abuse, cigarette smoking and alcohol use and discusses the implications of these changing data.
Describes research exploring differences and similarities in the genetic profiles of African-Americans and European-Americans who are heavy smokers.
Highlights prevalence rates of cigarette and marijuana smoking among teens who exercise regularly as compared with their less active peers.
Reports on research providing evidence that teaching aggressive youngsters social coping skills reduces their chances of becoming substance abusers.
Describes a study among people who had sustained brain injuries to investigate whether certain damaged areas of the brain are associated with the ability to quit smoking.
Highlights an animal study involving the self-administration of nicotine among adolescent and adult rats to gain understanding of their potential vulnerability to the substance.
Describes NIDA’s drug abuse and addiction research priorities for the use of the American Recovery and Reinvestment Act of 2009 funds.