Aging in Brain Found to Hurt Sleep Needed for Memory

http://www.nytimes.com/2013/01/28/health/brain-aging-linked-to-sleep-related-memory-decline.html

Scientists have known for decades that the ability to remember newly learned information declines with age, but it was not clear why. A new study may provide part of the answer.

The report, posted online on Sunday by the journal Nature Neuroscience, suggests that structural brain changes occurring naturally over time interfere with sleep quality, which in turn blunts the ability to store memories for the long term.

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