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 research providing evidence that genes may influence how successful a person is in quitting smoking and which cessation technique may work best for them.
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.
Describes research exploring differences and similarities in the genetic profiles of African-Americans and European-Americans who are heavy smokers.
Describes study findings revealing that the act of smoking, apart from actual or expected nicotine delivery, may soothe a smoker's negative mood.
Highlights prevalence rates of cigarette and marijuana smoking among teens who exercise regularly as compared with their less active peers.
Reports on NIDA researchers who developed a new tracer compound that binds readily to nicotine receptors and enhances positron emission tomography images.
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.
Describes NIDA’s drug abuse and addiction research priorities for the use of the American Recovery and Reinvestment Act of 2009 funds.
Reports on a series of animal experiments indicating that nicotine exposure during prenatal fetal development damages a set of receptors in the brain's auditory processing center.