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Teen marijuana use increases, especially among eighth-graders

WASHINGTON -- Fueled by increases in marijuana use, the rate of eighth-graders saying they have used an illicit drug in the past year jumped to 16 percent, up from last year's 14.5 percent, with daily marijuana use up in all grades surveyed, according to the 2010 Monitoring the Future Survey (MTF


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.

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.

Brain Responds to Marijuana Cues in Familiar Manner

Researchers found that the brain activity that takes place when cues trigger marijuana cravings is similar to the activity that accompanies cravings for other drugs.

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