News from the web:

People who challenge their brains throughout their lifetimes — through reading, writing and playing games — are less likely to develop protein deposits in the brain linked with Alzheimer’s, U.S. researchers said on Monday.

Prior studies have suggested that people who are well educated and stay mentally active build up brain reserves that allow them to stay sharp even if deposits of the destructive protein called beta amyloid form in the brain.

But the latest study, based on brain-imaging research, suggests that people who stay mentally engaged beginning in childhood and remain so throughout their lives actually develop fewer amyloid plaques.

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