Growth SubstancesSubstance PGrowthWeight GainAnimal FeedSubstance-Related DisordersAnimal Nutritional Physiological PhenomenaBody WeightInfant Nutritional Physiological PhenomenaSwineChild DevelopmentDietBody HeightOrgan SizeDietary SupplementsGrowth DisordersMutationMolecular Sequence DataCell DivisionReceptors, Neurokinin-1Substance Abuse Treatment CentersGene DeletionCulture MediaBacterial ProteinsPhenotypeRandom AllocationGrowth HormoneBody CompositionEatingDose-Response Relationship, DrugAmino Acid SequencePregnancyTime FactorsEscherichia coliGene Expression Regulation, BacterialGenetic Complementation TestBase SequenceCloning, MolecularIronGenes, FungalThiobarbituric Acid Reactive SubstancesCell ProliferationInsulin-Like Growth Factor IHumic SubstancesRNA, MessengerFungal ProteinsTemperatureHydrogen-Ion ConcentrationHazardous SubstancesCattleSaccharomyces cerevisiaeGenes, BacterialDiagnosis, Dual (Psychiatry)Cells, CulturedTachykininsTumor Cells, CulturedSignal TransductionNeurokinin-1 Receptor AntagonistsCell LineStreet DrugsNeurokinin AMarijuana AbuseSubstance Abuse DetectionPerformance-Enhancing SubstancesAlcoholismDrug and Narcotic ControlResidential TreatmentAdolescent BehaviorMental DisordersControlled SubstancesPhysalaeminMarijuana SmokingUnited StatesReceptors, Neurokinin-2United States Substance Abuse and Mental Health Services AdministrationReceptors, TachykininEledoisinCalcitonin Gene-Related PeptideCapsaicinAlcohol DrinkingRisk-TakingOpioid-Related DisordersComorbidityCocaine-Related DisordersTesticular HormonesGuinea PigsJuvenile DelinquencyAutacoidsReceptors, NeurotransmitterPeer GroupPsychotropic DrugsQuinuclidinesLongitudinal StudiesDrug UsersTissue ExtractsBehavior, AddictiveDoping in SportsDiagnostic and Statistical Manual of Mental DisordersRisk FactorsQuestionnaires