When people engage in activities that help others, their brain releases endorphins, the brain's natural opiates, which induce in people a feeling of well-being.

当人们参与有助于他人的活动时，他们的大脑会释放出内啡肽，这是一种大脑中天然的麻醉剂，能让人产生幸福感。

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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。

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This finding supports the theory 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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The adrenalin kick plus the natural opiates form an unbeatable combination for thrill-seekers.

ECONOMIST: Chilies

This blocks the receptors and prevents the body from responding to opiates.

ECONOMIST: Drug-resistant infections

It is often argued that the distinction between curing and killing is blurred in any case: doctors frequently prescribe increasing doses of opiates which, as well as relieving pain, will advance the death of a patient.

ECONOMIST: The right to choose to die