| stimulate central nervo… | 0.47 |
| block the reuptake of n… | 0.43 |
| dopamine into presynapt… | 0.40 |
| increase alertness | 0.40 |
| increase energy | 0.37 |
| increase blood pressure | 0.35 |
| produce similar effects | 0.35 |
| increase metabolism | 0.32 |
| exist as two enantiomers | 0.32 |
| reduce fatigue | 0.29 |
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| euphoria | 0.40 |
| anxiety | 0.34 |
| tremor | 0.28 |
| stroke | 0.23 |
| seizure | 0.23 |
| hyperthermia | 0.20 |
| death | 0.20 |
| tachycardia | 0.20 |
| insomnia | 0.20 |
| hallucination | 0.16 |
| high potential | 0.51 |
| addictive | 0.72 |
| dangerous | 0.50 |
| legal | 0.45 |
| effective | 0.31 |
| safe | 0.30 |
| most potent | 0.29 |
| neurotoxic | 0.23 |
| stimulant | 0.59 |
| central nervous system … | 0.58 |
| drug | 0.57 |
| schedule ii controlled … | 0.31 |
| controlled substance | 0.25 |
| used to treat adhd | 0.63 |
| used to treat narcolepsy | 0.54 |
| abused | 0.52 |
| synthesized in 1887 | 0.47 |
| used to treat attention… | 0.47 |
| prescribed | 0.46 |
| used to treat depression | 0.45 |
| metabolized to some deg… | 0.42 |
| absorbed | 0.40 |
| synthesized | 0.39 |
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