SimilarityRank
serotonin 0.707 59388
dopamine 0.695 48767
progesterone 0.676 75969
cortisol 0.658 61115
neurotransmitter 0.647 51284
hormone 0.630 11559
melatonin 0.613 64514
testosterone 0.610 32561
ketamine 0.594 97502
analgesia 0.587 94343
the_placenta 0.583 57220
estrogen 0.577 36849
antidepressant 0.576 40459
cannabinoid 0.573 91163
opioid 0.572 48583
anesthetic 0.564 62398
corticosteroid 0.563 63209
benzodiazepine 0.562 91802
morphine 0.561 40163
sedative 0.552 69248
breast_milk 0.549 37585
glutamate 0.548 85465
during_pregnancy 0.546 22288
nitric_oxide 0.543 68359
placenta 0.541 81735