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NIDA Notes Articles: Smoking

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A Genetic Nexus of Obesity and Smoking

October 2014

Research shows that some gene variants that influence body mass index also shape smoking behaviors.

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Dr. Joni Rutter Q&A: How Basic Science Is Tackling Addiction

May 2014

One of NIDA’s goals is to try to understand the individual differences that contribute to whether or not someone who takes a drug will become addicted to it. Dr. Rutter’s research focuses on three types of differences: Environmental, developmental, and genetic and epigenetic.

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Marijuana Use May Promote Nicotine Consumption

April 2014

Exposing rats to THC increases the likelihood that the animals will later self-administer nicotine. THC-exposed rats are also willing to work harder to obtain nicotine. When extrapolated to people, the findings suggest that THC’s pharmacological impact on the brain may make a person who uses marijuana more vulnerable to developing nicotine addiction, an underappreciated health consequence of marijuana use.

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Study Finds Genetic Influence on African Americans’ Smoking

November 2013

A meta-analysis of 13 genome-wide association studies of African Americans’ smoking patterns confirms the significance of genetic variation in region 15q25.1. The analysis also tentatively implicates several genome locations that have not previously been associated with smoking behaviors.

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Women Benefit From Policies To Prevent Teens From Buying Tobacco

November 2013

Women who reached their majority in states with policies that restricted teens’ access to tobacco products were less likely to smoke from ages 18-34 than women in states without those policies. The research did not demonstrate that the policies had a comparable impact on men’s smoking.

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Receptor May Underlie Gender Differences in Response to Smoking Cessation

May 2013

Men benefit more than women from nicotine replacement therapy for smoking cessation because nicotine affects a key neuroreceptor differently in the two sexes, a NIDA-sponsored study suggests. The findings highlight the need for alternative therapies for women smokers, and point to the female hormone progesterone as a potential therapeutic target.

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Adolescent Cigarette, Alcohol Use Declines as Marijuana Use Rises

February 2013

Fewer teens are using cigarettes, alcohol, and most illicit drugs, according to NIDA’s latest Monitoring the Future study. Troubling  trends persist in marijuana use, however, and nonmedical prescription drug use remains a concern.

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Nicotine Makes Mouse Brain More Responsive to Cocaine

February 2013

Nicotine sensitizes the mouse brain to the addictive effects of cocaine, according to recent NIDA-supported research. The results accord with the hypothesis that a person’s initial use of an addictive substance physiologically sensitizes his or her brain to the rewarding and addictive effects of other substances. If the findings carry over to people, then preventing youths from smoking might reduce their vulnerability to cocaine abuse and addiction, and cocaine-dependent individuals might ease their path to recovery by quitting smoking.

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Good Behavior Game Wins 2012 Mentor International Best Practice Award

November 2012

The NIDA-supported Good Behavior Game recently was honored with the 2012 Mentor International Best Practice Award. The game, which focuses on reducing disruptive behaviors in elementary school classrooms, has been shown to prevent drug abuse and other problems in adolescence and young adulthood.

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Adolescent Smoking and Drinking at Historic Lows

July 2012
Rates of adolescent cigarette smoking and alcohol drinking stood at historic lows in 2011, but marijuana use trended upward, according to the Monitoring the Future (MTF) survey.

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