Worry

Worry

norepinephrine

80%

dynorphin a (1-17)

75%

dynorphin a (1-13)

75%

dynorphin b

75%

melatonin

70%

alpha-neoendorphin

65%

beta-neoendorphin

60%

alpha-endorphin

50%

gamma-endorphin

50%

met-enkephalin

50%

leu-enkephalin

50%

beta-endorphin

45%

dopamine

40%

anandamide

40%

serotonin

35%

oxytocin

35%

gaba

35%