Psychology / Psych 0354 · Atom · ~20 seconds

Opioids

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Opioids relieve pain and produce euphoria by binding the receptors the body's own endorphins use.

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Prescribed opioids and heroin act at the same receptor sites, differing in delivery speed and dose control.

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Tolerance to euphoria outpaces tolerance to respiratory suppression, which is the mechanism behind fatal overdose.