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Intelligence - nature or nurture? Researchers find a gene for intelligence and also that a bigger brain matters, yet other recent articles show how motivation affects learning.

Alzheimer's plaques reduced by targeting sugar attachment to the BACE1 enzyme

Hallmark symptoms of Alzheimer's disease can be reduced when sugars are prevented from binding to one of the key enzymes implicated in the disease, scientists report. The new findings show that abnormal attachment of a particular sugar to the enzyme BACE1 is a critical factor leading to the formation of plaques in the brain.
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