| Similarity | Rank | |
|---|---|---|
| serotonin | 0.931 | 18868 |
| Dopamine | 0.904 | 75238 |
| neurotransmitter | 0.880 | 35288 |
| norepinephrine | 0.868 | 48622 |
| neurotransmitters | 0.864 | 32872 |
| dopamine | 0.853 | 20815 |
| GABA | 0.847 | 46769 |
| Cortisol | 0.844 | 67889 |
| Melatonin | 0.829 | 55486 |
| 5-HTP | 0.826 | 74816 |
| acetylcholine | 0.803 | 55829 |
| Antidepressants | 0.802 | 75856 |
| cortisol | 0.800 | 23029 |
| Leptin | 0.797 | 83715 |
| reuptake | 0.792 | 51239 |
| monoamine | 0.791 | 84399 |
| melatonin | 0.789 | 27894 |
| ghrelin | 0.786 | 84971 |
| tryptophan | 0.786 | 53808 |
| depressant | 0.782 | 68076 |
| Choline | 0.782 | 99761 |
| cholinergic | 0.778 | 88546 |
| histamine | 0.774 | 49266 |
| excitatory | 0.771 | 83741 |
| hypothalamus | 0.769 | 40919 |