society. >> an intoxicant does make people feel euphoric. it's part of the pathway to addiction. that doesn't mean there's medical jack daniels or that there's medical meth or medical crack or medical heroin. this is a sham. >> reporter: okay. so how did we get here anyway especially considering all the reminders we've had about the evils of marijuana. the old black and white movie "refer madness" warning the public about it. >> just say no. >> reporter: or former first lady nancy reagan's famous just say no to drugs campaign in the 1980s. criminologist peter reutter say attitudes have changed even though medical marijuana though controversial has become a legal reality. >> it does give an aura of usefulness to this drug which previously in every public representation by any official agency was always very negative. >> reporter: use of the drug hasn't exactly skyrocketed recently. but the one thing that has