Morphine DependenceSubstance Withdrawal SyndromeMorphineNaloxoneNarcotic AntagonistsNarcoticsAminoacetonitrileAnalgesics, OpioidDrug ToleranceTobacco Use DisorderMorphine DerivativesLocus CoeruleusSmoking CessationOxathiinsTobacco Use Cessation ProductsOncogene Proteins v-fosNicotineRats, Sprague-DawleyCannabisAlcohol Withdrawal DeliriumPeriaqueductal GrayBehavior, AnimalNaltrexoneOpioid-Related DisordersParaventricular Hypothalamic NucleusEnkephalinsTyrosine 3-MonooxygenaseBuprenorphineReceptors, Opioid, muAlcohol Withdrawal SeizuresNicotinic AgonistsProto-Oncogene Proteins c-fosBupropionNeonatal Abstinence SyndromeMarijuana AbuseBehavior, AddictivePituitary-Adrenal SystemSupraoptic NucleusSmokingDose-Response Relationship, DrugCorticosteroneReceptors, Corticotropin-Releasing HormoneMethadoneChlormethiazoleVentral Tegmental AreaAlcoholismAnhedoniaIrritable MoodHeroin DependenceNucleus AccumbensIsoquinolinesAnxietyChewing GumEthanolTime FactorsDouble-Blind MethodNorepinephrineOpiate Substitution TreatmentSodium OxybateNaphthalenesHypothalamo-Hypophyseal SystemClomipramineBrainBenzodiazepinesCotinineAdministration, CutaneousPain MeasurementMicroinjectionsClonidineCarbon MonoxideSpinal CordAmygdalaCentral Nervous System DepressantsHypnotics and SedativesAnti-Anxiety AgentsTreatment OutcomeCarbamazepineQuestionnairesCyclic AMP Response Element-Binding ProteinAffectSubstance-Related DisordersHypothalamusAnalgesiaDronabinolReceptors, N-Methyl-D-AspartateInjections, SpinalRecurrencePsychiatric Status Rating ScalesAdrenocorticotropic HormoneBenzazepinesPainMice, Inbred C57BLRats, WistarSeverity of Illness IndexRNA, MessengerDisease Models, AnimalAnalysis of VarianceExtinction, PsychologicalCannabinoidsNeurons