New results extend previous findings that some methamphetamine-induced neuronal damage resolves after a year of abstinence.
In a surprising finding, male rats who used cocaine sired male offspring who later exhibited blunted responses to the drug. Researchers determined the cause was an epigenetic alteration.
Reports on a study investigating the use of incentives in the form of prizes to motivate outpatients to stay in behavioral therapy and remain drug free.
Describes findings from an animal study showing that cocaine lowers availability of dopamine receptors in the basal ganglia, an area of the brain that includes portions of the reward system.
Discusses research exploring how widespread the reduction of neural activity is in the brain with chronic exposure to cocaine.
Summarizes a study on the use of incentives to encourage abstinence among methadone maintenance patients in outpatient programs.
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 prevalence rates of illicit drug abuse among youths and young adults based on 2007 data from a national survey of drug use and health.
Reports an animal study presenting evidence that cocaine causes cognitive deficits that can persist well into abstinence.
Describe a study of newly arrested youths where researchers found correlations between the youths' prevalence of these sexually transmitted diseases and their cocaine and marijuana use.