we studied the effects of cigarette smoking , sham smoking and smoking during adrenergic blockade in 10 subjects to determine whether smoking released the sympathetic neurotransmitter norepinephrine , as well as the adrenomedullary hormone epinephrine , and whether smoking-associated hemodynamic and metabolic changes were mediated through adrenergic mechanisms .
C0028351
norepinephrine
C0014563
epinephrine