AppetiteGhrelinAnorexiaAnorexia NervosaAppetite RegulationReceptors, GhrelinAppetite StimulantsPeptide HormonesAppetite DepressantsEatingAgouti-Related ProteinNeuropeptide YHypothalamusFeeding BehaviorHungerHypothalamic HormonesSatiety ResponseArcuate NucleusPeptide YYLeptinSatiationPro-OpiomelanocortinPituitary HormonesNeuropeptidesHyperphagiaBody WeightEnergy IntakeEnergy MetabolismInjections, IntraventricularCachexiaReceptors, Neuropeptide YObesityDrinkingCholecystokininInfusions, IntraventricularPostprandial PeriodFastingMelaninsWeight GainReceptor, Melanocortin, Type 4ThirstEating DisordersMealsRats, Sprague-DawleyReceptors, LeptinInsulinDiethylpropionBulimiaFenfluramineGastrointestinal HormonesGastric EmptyingStomachBulimia NervosaBlood GlucoseTasteCross-Over StudiesReceptor, Melanocortin, Type 3Food DeprivationGlucagon-Like Peptide 1Growth HormoneMegestrol Acetatealpha-MSHReceptors, G-Protein-CoupledFood PreferencesParaventricular Hypothalamic NucleusWeight LossProto-Oncogene Proteins c-fosRats, WistarDietary FatsTime FactorsReceptor, Cannabinoid, CB1Intracellular Signaling Peptides and ProteinsFoodMice, Inbred C57BLBody Mass IndexDose-Response Relationship, DrugDrinking BehaviorNeuronsRNA, MessengerAdipose TissueHomeostasisMice, KnockoutHuman Growth HormoneBody CompositionAnalysis of VarianceNutritional StatusBrainMelanocortinsPhentermineRefeeding SyndromeInjections, IntraperitonealReceptors, NeuropeptideSodium, DietaryFurosemideGastrointestinal MotilityDietary CarbohydratesSignal TransductionDexfenfluramineGalaninBehavior, Animal