March 2008 Reports on results from a study showing that men and women with alcohol use disorders are more likely to report nonmedical use of prescription drugs than people who don't drink at all.
March 2008 Reports on research showing that the neurons that deliver dopamine to two regions of the brain's mesolimbic reward system respond differently to opioids, an important finding for drug treatment research.
October 2007 Discusses the central importance of studying drugs' effects on neurotransmission and describes some of the most common experimental methods used in this research.
October 2007 Reports on two studies indicating that orexin, a neuropeptide that stimulates eating and regulates wakefulness, also fosters animals' drug seeking and craving responses to drugs.
October 2007 Describes research investigating a naturally occurring brain chemical that shows early promise as a treatment for addiction in animal studies.
October 2007 Reports on an animal study finding that links anabolic steroids to brain changes in adolescent female mice, changes that can potentially lead to steroid abuse.
October 2007 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.
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.
April 2007 Reports on a study to investigate the use of methadone maintenance for heroin addicts wait-listed for a treatment program to encourage their likelihood to enroll in the program.
April 2007 Describes research on a vaccine developed to facilitate smoking cessation by blocking nicotine penetration into the brain.
As a result of scientific research, we know that addiction is a disease that affects both brain and behavior.