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NIDA Notes Articles: Nicotina

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Substance Abuse and Sexual Risk Show Town-Gown Divide

diciembre del 2009

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

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Nicotine Boosts Mood, Brain Dopamine Levels

noviembre del 2009

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.

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Smokers Who Quit May Have Genetic Advantage

noviembre del 2009

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.

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Lower Rates of Cigarette and Marijuana Smoking Among Exercising Teens

octubre del 2009

Highlights prevalence rates of cigarette and marijuana smoking among teens who exercise regularly as compared with their less active peers.

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Intervention for Disruptive Children Shows Long-Term Benefits

octubre del 2009

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

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Sensory Aspects of Smoking May Counter Bad Mood, Craving

octubre del 2009

Describes study findings revealing that the act of smoking, apart from actual or expected nicotine delivery, may soothe a smoker's negative mood.

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

octubre del 2009

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.

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

octubre del 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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Ethnic Groups Have Contrasting Genetic Risks for Nicotine Addiction

octubre del 2009

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

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New Tracer for Nicotinic Receptors Promises Improved Specificity

abril del 2009

Reports on NIDA researchers who developed a new tracer compound that binds readily to nicotine receptors and enhances positron emission tomography images.

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