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Nicotina

Intervention for Disruptive Children Shows Long-Term Benefits

Reports on research providing evidence that teaching aggressive youngsters social coping skills reduces their chances of becoming substance abusers.

Ethnic Groups Have Contrasting Genetic Risks for Nicotine Addiction

Describes research exploring differences and similarities in the genetic profiles of African-Americans and European-Americans who are heavy smokers.

Abstinent Smokers' Nicotinic Receptors Take More Than a Month to Normalize

Describes research revealing that for up to 6 weeks after smokers quit, their brain cells have more nicotine-binding receptors than nonsmokers, which may explain the struggle to quit.

Smokers Who Quit May Have Genetic Advantage

Describes research providing evidence that genes may influence how successful a person is in quitting smoking and which cessation technique may work best for them.

Nicotine Boosts Mood, Brain Dopamine Levels

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.

Substance Abuse and Sexual Risk Show Town-Gown Divide

Compares data on substance abuse and sexual risk among college students and their peers who do not attend college.

Adolescent Cigarette Smoking Holds at Lowest Recorded Levels

Discusses 2009 prevalence rates of cigarette, alcohol, prescription drug, and illicit drug use among adolescents and discusses trends in use over time.

Vouchers Boost Smoking Abstinence During Pregnancy

Describes a voucher-based reinforcement therapy trial with pregnant smokers to determine its effectiveness in enhancing abstinence rates.

Reality Videos Bring NIDA Scientists to Web Site for Teens

Highlights new video clips on NIDA's Web site for teens that explore the dangers of drug abuse and that address questions from youth and their parents on the topic.

Peer Interaction Enhances Adolescent Rats' Drug Reward

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.

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