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Disrupted sleep damages blood vessels in brain and may increase dementia risk

Summary by Medical Xpress
A new study reveals that fragmented sleep causes cellular damage to the brain's blood vessels, providing further evidence to suggest that sleep disruption predisposes the brain to dementia.

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A Canadian study warns of the effects of poor sleep on seniors: frequent waking during the night could damage blood vessels in the brain and accelerate memory decline, thus increasing the risk of dementia.

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Medical Xpress broke the news in on Wednesday, July 30, 2025.
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