volkow first. are you familiar with the most recent article that came out of the lancetpsychiatry about the use of drug-induced psychosis converting to full schizophrenia? >> yes, correct. >> can you comment -- i got the statutes up. can you tell me -- i mean, summarize that report and maybe comment on your observations of that. >> this report is consistent with a concern that the use of marijuana, particularly high thc, can produce chronic psychosis. overall, the statement, as i have made, is that most cases are of the use of marijuana trigger an acute psychosis that by itself will go away, and what this does is shows those individuals that went into an emergency department for an acute psychotic episodes associated with the use of cannabis were much more likely to subsequently go into psychosis. it provides evidence that it increases your risk of transitioning into a chronic psychotic episode as is the case with schizophrenia. >> thank you. let me -- i've been -- mental illness, mental health, ea