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and the unkeflin so the fact that naloxone can block the placebo effect for pain tells us
that the placebo effect for pain is being mediated in the body by endorphins and keflins by the brain's natural morphine like molecules placebo effects are best known in the case of pain relief
but they can actually occur for a whole bunch of beneficial medical situations so you can have a sugar pill or a sham treatment that improves your recovery from surgery and your healing rates
Listen to native speakers pronounce “keflins” in real conversational contexts with synchronized timestamps and subtitles.