Examlex
The earliest form of amphetamine was a synthetic form of __________.
Overdose
An excessive and dangerous dose of a substance, typically a drug, leading to severe toxic reactions or death.
Poison
A substance that is harmful or lethal to organisms when introduced or absorbed, capable of causing illness or death.
Methadone
A synthetic opioid used medically both as a pain reliever and in the treatment of opioid addiction.
Endorphins
Naturally occurring chemicals in the body that not only alleviate pain but also enhance sensations of joy.
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