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NIDA

Epidemiology

Injection Drug Users Acquire Hepatitis C Infection Later in Developed Countries

Reports trends in onset of injection drug use to infection with hepatitis C virus in developed countries and notes the influence of prevention efforts.

Drug Abuse at Highest Level in Nearly a Decade

Reports on 2009 data indicating a rise in drug abuse in the United States and the factors that may have contributed to this increase.

Marijuana Linked With Testicular Cancer

Reports on a study of close to 400 Washington State men that found that those who use marijuana may increase their risk for developing testicular cancer.

Fewer Girls Are Smoking, But Change Is Uneven

Reports 2010 rates of cigarette smoking among eighth girls, providing historical data and racial and ethnic differences.

Teenage Marijuana Use Is on the Rise

Reports 2010 rates of marijuana use among 8th, 10th, and 12th grade students, noting that daily use increased by more than 10 percent in all three grades since the 2009 survey. Also reports a rise in ecstasy use.

Menthol May Strengthen Nicotine Addiction

Reports on a study of Latino and African-American smokers of menthol cigarettes who did not benefit as much from a month-long smoking cessation program as smokers of non-menthol cigarettes.

Substance Abuse Evaluated Among Women With Children

Discusses rates of substance use or abuse among mothers with at-home children and the factors that may contribute to the abuse.

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