This finding supports the the ory that placebo s reduce pain by encouraging the brain to produce more natural opiates than usual.
这一发现支持了该理论：安慰剂是通过促使大脑产生比通常更多的天然麻醉剂来减少疼痛的。
This finding supports the the ory that placebos reduce pain by encouraging the brain to produce more natural opiates than usual.
这一发现支持了该理论：安慰剂是通过促使大脑产生比通常更多的天然麻醉剂来减少疼痛的。
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