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Psychology

Neurobiological Bases of Placebo Effects in Pain Management

Quick fact

Placebo analgesia can be completely blocked by naloxone, a drug that antagonizes opioid receptors, proving that placebo effects rely on the brain's own opioid system.

Why this is interesting

Have you ever felt pain vanish after taking a sugar pill you believed was medicine? That relief is not 'all in your head'—it's a measurable biological phenomenon.