Adipose Tissue, BrownThermogenesisAdipose TissueBody Temperature RegulationCold TemperatureMitochondrial ProteinsScapulaIon ChannelsEnergy MetabolismNorepinephrineRats, Inbred StrainsAdipose Tissue, WhiteBody WeightSympathetic Nervous SystemBody TemperatureEatingAdipocytes, BrownCarrier ProteinsMembrane ProteinsCalorimetry, IndirectBasal MetabolismAdipocytesRats, WistarHealth ExpendituresObesityEnergy IntakeLeptinMitochondriaAcclimatizationBody CompositionInsulinOxygen ConsumptionGlucose2-HydroxyphenethylamineLipolysisSubcutaneous FatFatty AcidsMice, ObeseReceptors, Adrenergic, beta-3Dietary FatsAdipocytes, WhiteDioxolesLipid MetabolismAdipogenesisRNA, MessengerMice, Inbred C57BLRats, ZuckerAdiposityInsulin ResistanceFatty Acids, NonesterifiedCalorimetryBlood GlucoseLiverDiet, High-FatGuanosine DiphosphateMuscle, SkeletalLipidsUncoupling AgentsRestOrgan SizeIodide PeroxidaseTriglyceridesIntra-Abdominal FatDiet3T3-L1 CellsMice, KnockoutLipoprotein LipaseWeight GainOxygen IsotopesHyperphagiaFastingExerciseAnti-Obesity AgentsGene Expression RegulationPropranololMotor ActivityRats, Sprague-DawleyHypothalamusShiveringWeight LossAdrenergic beta-AgonistsFeeding Behavior