October 2010 Reports on two studies showing a high prevalence of HIV infection and more rapid progression to disability and death among drug 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.
November 2011 Drug abuse may diminish production of new neurons in the brain’s hippocampus and thereby increase vulnerability to drug addiction.
Describes research showing that cocaine abusers appear to have a rapid neural response to reward cues outside of their awareness, possibly signifying vulnerability to relapse.
Describes research exploring differences and similarities in the genetic profiles of African-Americans and European-Americans who are heavy smokers.
Presents highlights of a study indicating that exposure to morphine during adolescence may increase sensitivity to the drug during adulthood.
Reports an animal study presenting evidence that cocaine causes cognitive deficits that can persist well into abstinence.
Reports on the work of addiction researchers who are learning how acute and chronic cocaine exposure regulates certain genes, based on knowledge from developmental and cancer biology.
July 2011 Describes research showing that the combination of prenatal smoking exposure and specific genes increases children’s and adolescent’s risk for behavior problems.
Describes a literature analysis reporting on the prevalence of people with bipolar disorder who also have a substance use disorder and discusses the genetic link that may contribute to this comorbidity.