CaffeineCentral Nervous System StimulantsTheobromineCoffeeRyanodineCytochrome P-450 CYP1A2CalciumProcainePhosphodiesterase InhibitorsSarcoplasmic ReticulumRyanodine Receptor Calcium Release ChannelReceptor, Adenosine A2ABeveragesAdenosine A2 Receptor AntagonistsReceptor, Adenosine A1Muscle ContractionEphedrinePaulliniaMalignant HyperthermiaDose-Response Relationship, DrugDrinking BehaviorPurinergic P1 Receptor AntagonistsAdenosine A1 Receptor AntagonistsReceptors, Adenosine A2TetracaineDrug Interactions