Examlex
You have been asked to deliver a speech using a lectern. Explain how to take advantage of the lectern so it does not become a crutch or barrier during your presentation.
Barbiturates
A class of drugs that are used as sedatives and hypnotics, they can be highly addictive and have been largely replaced by safer alternatives.
Opiates
Opium and its derivatives, such as morphine and heroin; they depress neural activity, temporarily lessening pain and anxiety.
Heroin
A powerful and highly addictive opioid drug derived from morphine, used illicitly as a narcotic producing euphoria.
Methamphetamine
A powerful, highly addictive stimulant that affects the central nervous system and is known for its abuse potential.
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