Still, he says, there is a lot of pain out there that the stimulus doesn't seem to address.

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If the answer is letting the companies fail and then authorizing stimulus spending to reduce the pain and shorten the recovery, do that.

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It is better to remove the painful stimulus than to mask it with pain medications, which can also mask or dull the senses.

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The combination of the mental activity and the external stimulus is believed to aid in reprocessing traumatic memories in ways that reduce their pain and damage to a person's life.

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