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Smoking and Drinking Continue to Decline, But Marijuana Stalls in Latest MTF Survey

October 2009

Highlights trends from a 2008 survey of teenage substance abuse, cigarette smoking and alcohol use and discusses the implications of these changing data.

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NIDA Reprises Online Chat Day

October 2009

Highlights NIDA’s second annual Chat Day where NIDA scientists and staff responded to drug abuse and addiction questions from teachers and students.

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Legal Pressure Increases Treatment Retention

April 2009

Presents data on the length of stay in substance abuse treatment among people who were in treatment as a result of legal pressure as compared with those in treatment voluntarily.

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NIDA Initiates Pediatrics Symposium on Adolescent Health

April 2009

Presents highlights of a symposium sponsored by NIDA in October 2008 to discuss adolescent brain and cognitive development and consider the impact of drug abuse on young people.

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Adolescent Rats Self-Administer More Nicotine Than Adults

April 2009

Highlights an animal study involving the self-administration of nicotine among adolescent and adult rats to gain understanding of their potential vulnerability to the substance.

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Low Dopamine Receptor Availability May Promote Cocaine Addiction

April 2009

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.

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Prenatal Nicotine Exposure May Damage Receptors That Influence Auditory Processing

April 2009

Reports on a series of animal experiments indicating that nicotine exposure during prenatal fetal development damages a set of receptors in the brain's auditory processing center.

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Cocaine Locks Rats Into Unrewarding Behaviors

April 2009

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

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High School Seniors Report Alcohol- or Drug-Impaired Driving Experiences

April 2009

Examines the incidence of high school seniors’ alcohol- or drug-related driving experiences based on 2001 through 2006 data.

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Methamphetamine Abusers Show Increased Distractibility

April 2009

Highlights findings from a study of former methamphetamine abusers showing evidence of impairment in areas of the brain known to influence cognition, emotion, and decision making.

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