Regular cannabis use that starts in adolescence strips away IQ, a NIDA-supported study suggests. Participants who initiated weekly cannabis use before age 18 dropped IQ points in proportion to how long they persisted in using the drug. Persistent cannabis users’ cognitive difficulties were evident to friends and family and measurable on a battery of tests.
Marijuana-dependent outpatients who were treated with the medication gabapentin in a pilot clinical trial reduced their cannabis use more and reported fewer symptoms of drug withdrawal than patients who received a placebo.
October 2010 Reports study findings that show young people who have gotten into trouble with the criminal justice system report high rates of sexual behaviors that increase risk of HIV and other sexually transmitted infections.