Describes an animal study reporting that peer interaction enhances adolescent rats’ drug reward and discusses the impact of these findings to future research on drug reward in social context.
Describes an animal study showing that rats raised in isolation may prove useful in future studies exploring the neurobiology that links impulsivity and vulnerability to addiction.
Reports animal study findings that suggest adolescents' heightened sensitivity to drug reward puts them at enhanced risk of addiction and may also increase their challenges in recovery.
Describes findings of a study revealing that images of heroin preparation and injection can incite craving and excite brain areas associated with reward-seeking even in methadone-maintained patients.
Describes clinical trial results providing evidence that methadone maintenance to men in prison can pay off in better retention in community treatment and reduced drug abuse following their release.
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 chronic methamphetamine abuse is associated with increased microglial cell activity in the brain leading to neurodegeneration.