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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