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NIDA

Smoking

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 Among Troops, Veterans, and Their Families

NIDA Director Nora Volkow

Highlights the need for research to assess and find solutions to a potential rise in substance abuse among service men and women, veterans, and their families.

Teens With Unhealthy Weight-Control Behavior Are More Likely to Abuse Drugs

Highlights data on unhealthy eating behaviors, such as fasting or purging, and substance abuse problems among teens.

Neuroimaging Challenges Common Assumption of Public Service Messaging

Describes a study of smokers' brain function while they watched antismoking PSAs and findings suggesting that calmer ads may be more effective.

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.

Marijuana Smoking Is Associated With a Spectrum Of Respiratory Disorders

Highlights two studies suggesting significant associations between marijuana smoking and respiratory disease.

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