July 2011 Discusses research that compares multiple sessions of motivational and behavioral training with that of a single intervention among male and female substance abusers to reduce high-risk sexual behaviors.
December 2010 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.
February 2007 Reports on a study that documenting changing emotional and neurobiological responses to cocaine with successive doses during a single session of drug taking.