ayahuasca canada cannabis comicbooks complications control culturalpolicy decriminalization drugabuse drugabuseandcrime drugabusesurveys drugandnarcoticcontrol drugcontrol drugs drugsofabuse drugtraffic drugutilization economicaspects economics etc ethnopharmacology fiction germany(west) governmentpolicy greatbritain heroin history hv5825s4391991 law lawandlegislation legislation legislators marijuana marijuanaabuse marijuanaindustry materiamedica medical medicallaw mexican-americanborderregion mexico narco-terrorism narcoticlaws opium opiumtrade pharmacology philosophy physiologicaleffect pol038000med071000soc051000 pol038000soc022000law093000 politicalscience popularculture prevention prohibition psychologicalaspects publicopinion publicpolicy socialproblems socialscience strips substance-relateddisorders substanceabuse therapeuticuse toxicology unitedstates vegetable violenceinsociety wm270drupp2006 wm270mir2004