CaffeineCentral Nervous System StimulantsTheobromineCoffeeRyanodineCalciumCytochrome P-450 CYP1A2Models, ChemicalProcaineChemical PhenomenaPhosphodiesterase InhibitorsMultiple Chemical SensitivityMagnetic Resonance SpectroscopyDose-Response Relationship, DrugChemical IndustrySarcoplasmic ReticulumChemical WarfareBeveragesRyanodine Receptor Calcium Release ChannelReceptor, Adenosine A2AOrganic ChemicalsHazardous SubstancesInorganic ChemicalsBurns, ChemicalMolecular StructureEphedrineMuscle ContractionAdenosine A2 Receptor AntagonistsTime FactorsReceptor, Adenosine A1KineticsChemical Warfare AgentsPaulliniaStimulation, ChemicalMalignant HyperthermiaWater Pollutants, ChemicalChromatography, High Pressure LiquidDrug InteractionsDrinking BehaviorPurinergic P1 Receptor AntagonistsAdenosine A1 Receptor AntagonistsEnvironmental PollutantsReceptors, Adenosine A2TetracaineCarcinogensMolecular Sequence DataDatabases, ChemicalMembrane PotentialsApnea