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The value of forgetting

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Alzheimer's damage
The scan on the left shows a healthy brain. The one on the right shows the damage caused by Alzheimer's disease, which includes symptoms of memory loss.
Image courtesy of the National Institute on Aging
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Brain image
The scan on the left shows a healthy brain. The one on the right shows the damage caused by Alzheimer's disease, which includes symptoms of memory loss.
Image courtesy of the National Institute on Aging