AppetiteGhrelinAnorexia NervosaAnorexiaAppetite RegulationReceptors, GhrelinPeptide HormonesAppetite StimulantsAppetite DepressantsHungerSatiationEatingSatiety ResponsePeptide YYFeeding BehaviorLeptinEnergy IntakeDrinkingCachexiaBody WeightHypothalamusThirstEating DisordersMealsPostprandial PeriodEnergy MetabolismCholecystokininDiethylpropionNeuropeptide YBulimiaGastric EmptyingFenfluramineGastrointestinal HormonesObesityBulimia NervosaCross-Over StudiesAgouti-Related ProteinGlucagon-Like Peptide 1Injections, IntraventricularMegestrol AcetateWeight GainHyperphagiaInsulinFastingBlood GlucoseFood PreferencesStomachWeight LossFoodPro-OpiomelanocortinBody Mass IndexTasteDrinking BehaviorArcuate NucleusTime FactorsReceptor, Melanocortin, Type 4Human Growth HormoneBody CompositionNutritional StatusMelanocortinsPhentermineRefeeding SyndromeGrowth HormoneDietary CarbohydratesGastrointestinal MotilitySodium, DietaryFurosemideRats, Sprague-DawleyDexfenfluramineFood DeprivationDose-Response Relationship, DrugClinical Trials, Phase IV as TopicNeuropeptidesDouble-Blind MethodMalnutritionAnalysis of VarianceReceptors, LeptinDietReceptors, G-Protein-CoupledDuodenumRats, WistarAcylationBrainPrader-Willi SyndromeCalorimetry, IndirectHydrocortisoneDietary FatsAmenorrheaPancreatic PolypeptideWater DeprivationInfusions, IntraventricularDietary ProteinsPylorusAdipose TissueGastrointestinal TractHomeostasisIntubation, GastrointestinalFatsTreatment OutcomeHormones