DronabinolAppetite StimulantsCannabinoid Receptor AgonistsMarijuana SmokingAnorexiaPain PerceptionCannabisMarijuana AbusePsychotropic DrugsPlacebo EffectAnalgesics, Non-NarcoticSubstance Withdrawal SyndromeDouble-Blind MethodCell NucleolusPolynucleotide 5'-Hydroxyl-KinaseE2F3 Transcription FactorCross-Over StudiesSleepEatingRetinoid X Receptor alphaSulfitesDrug Administration ScheduleDose-Response Relationship, DrugPyruvate KinaseNuclear ProteinsNuclear Localization SignalsChromosomes, Human, Pair 6Gene Knockdown TechniquesTumor Suppressor ProteinsTreatment OutcomeProtein EngineeringActive Transport, Cell Nucleus