The trace of mercy, not just think the phantom pain?

那一丝丝的怜悯，不正是思痛的幽灵？

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One such condition is phantom pain that persists in the mouth after a tooth has been removed.

幻痛就是这样一种牙病，在患者拔牙后一个月内一直挥之不去。

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To their delight, they discovered that memantine not only reduced changes in the brain, it also decreased both the incidence and the intensity of phantom pain.

让他们欣慰的是，他们发现美金刚胺不但减少了大脑的改变，而且也降低了患肢疼痛的次数和强度。

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Please read the update below for clarification on Ground Zeroes and The Phantom Pain.

FORBES: Connect

Those who wait longer for a fake limb seem to suffer more from phantom pain.

BBC: What phantom limbs and mirrors teach us about the brain

Update: It appears this site may not in fact be associated with The Phantom Pain in other words, a hoax.

FORBES: Phantom Pain Site Update: Will The Mysterious Game Be A Next-Gen Metal Gear Solid? [Update]