HormonesHydrocortisoneAdrenocorticotropic HormoneEpinephrineGlucagonBlood GlucoseCorticosteroneGrowth HormoneCatecholaminesProlactinInsulinHypoglycemiaPancreatic PolypeptideWeight LiftingHungerReninPituitary-Adrenal SystemNorepinephrineAldosteroneFenfluramineHypothalamo-Hypophyseal SystemHuman Growth HormonePlant Growth RegulatorsLactic AcidVasopressinsCross-Over StudiesTestosteroneFatty Acids, NonesterifiedAtrial Natriuretic FactorStress, PsychologicalPhysical EnduranceStress, PhysiologicalExerciseTime FactorsArginine VasopressinHemodynamicsEatingLactatesGhrelinCorticotropin-Releasing HormoneGlucocorticoidsBlood PressureHematocritEstradiolBlood VolumeProgesteroneBody WeightAnalysis of VarianceDietary CarbohydratesFollicle Stimulating HormoneGlucoseLuteinizing HormoneHeart RateDietary ProteinsDouble-Blind MethodRandom AllocationInsulin-Like Growth Factor IHomeostasisBehavior, AnimalGene Expression Regulation, PlantKineticsRNA, MessengerMolecular Sequence Data