>> it sounds like you are endorsing this for everybody. >> yeah. let's be really clear on that. we're very aware of the risks and would not recommend that people simply go out and do this griffiths and johnson screen out people with psychotic disorders or with close relatives who have had schizophrenia or bipolar disorder study volunteers at johns hopkins are given weeks of intensive counseling before and after the six-hour psilocybin experience. >> the psilocybin is given in a carefully controlled setting 123 times. to date, they say there's not been a single serious adverse outcome. >> so i'm going to tuck you in. >> we were told we couldn't recall poured anyone participating in the study while they were on psilocybin because it might impact their experience. but we were shown how it begins without the psilocybin questions you lay on a couch with a blindfold to shut out distractions, but the