Earlier this week, I attended a presentation given by Dr. Sarah Swoboda about how health care providers can talk to adolescents and their parents about marijuana in this new ear of legalization. Below are a few of her slides. Though the presentation was for health care providers, much of it can inform substance abuse prevention.
AAP = American Academy of Pediatrics
Data for the slide above comes from: How much for a dime bag? An exploration of youth drug markets.
The slide above indicates that youth are more susceptible to marijuana dependence than adults. This is reflected in youth substance abuse treatment data that indicates that the primary reason youth enter treatment is for marijuana. Adults primarily enter treatment for alcohol problems.
The full presentation may be viewed here.