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Brain's "Stroke Shielding" Cracked, Oxford University Study  
2/25/2013 7:18:42 AM

A part of the brain's ability to shield itself from the destructive damage caused by a stroke has been explained by researchers. It has been known for more than 85 years that some brain cells could withstand being starved of oxygen. Scientists, writing in the journal Nature Medicine, have shown how these cells switch into survival mode.
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