Interest

Interest

dopamine

80%

beta-endorphin

80%

met-enkephalin

80%

leu-enkephalin

75%

oxytocin

75%

serotonin

70%

anandamide

70%

norepinephrine

70%

gaba

70%

alpha-endorphin

65%

gamma-endorphin

65%

melatonin

60%

alpha-neoendorphin

50%

beta-neoendorphin

50%

dynorphin a (1-17)

45%

dynorphin a (1-13)

45%

dynorphin b

45%