- 91% of the youth surveyed had tried marijuana and the average age of first use was 12.4.
- Those who reported using marijuana in the past month had used it an average of 16.5 of the past 30 days.
- 45% surveyed were positive for marijuana at the time of interview
- 56% reported marijuana was the first substance they ever tried, compared to 25% for alcohol
- 14% said they believed that marijuana could be harmful to users, compared to 36% for alcohol and 59% for tobacco
SAN DIEGO–Marijuana remains the drug of choice for youths in the juvenile justice system according to a report released by the SANDAG Criminal Justice Research Division on Friday, but new data show changes over time in frequency of use and perception of how harmful it can be. The SANDAG report, CJ Bulletin: 2017 Juvenile Arrestee Drug Use in the San Diego Region found that marijuana was the first substance ever tried among the more than half of the juveniles surveyed, before alcohol and tobacco. Other findings included: