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NIDA

Stimulants

Fewer Young Adults Abuse Cocaine and Methamphetamine, National Survey Finds

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.

Brain Proteins Differ in Cocaine-Overdose Victims

Describes research findings showing differences in protein concentrations in the brain pleasure centers of people who died from cocaine overdose as compared with those who did not abuse the drug.

Methadone Reduces Rats' Cocaine Seeking

Reports on an animal study showing that methadone, normally used as a therapy for opioid abuse, may prove to be an effective treatment for cocaine abuse.

Long-Term Cocaine Self-Administration Depresses Brain Activity

Discusses research exploring how widespread the reduction of neural activity is in the brain with chronic exposure to cocaine.

New Vaccines Are Being Developed Against Addiction and Relapse

NIDA Director Nora Volkow

Highlights NIDA-funded research to develop vaccines against addiction to drugs such as cocaine, nicotine, phencyclidine (PCP), and methamphetamine.

Aripiprazole Prevents Rats From Resuming Cocaine Seeking

Reports on study results indicating a medication prescribed for schizophrenia and manic phases of bipolar disorder shows promise as a cocaine addiction treatment.

Low Dopamine Receptor Availability May Promote Cocaine Addiction

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.

Cocaine Locks Rats Into Unrewarding Behaviors

Describes research with rats to better understand cocaine’s effect on the neural signaling in the learning circuits of the brain.

Methadone Therapy in Prison Benefits Men a Year Out

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.

Extended Cocaine Exposure Impairs Cognitive Function in Rats

Reports an animal study presenting evidence that cocaine causes cognitive deficits that can persist well into abstinence.

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