Marihuana

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.

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.

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.

Considers the potential role of physical activity on substance abuse prevention and describes some of the research that has been conducted on this emerging area of addiction science.