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Bloodflow is "naturally restored" to stroke-affected brain

Bloodflow is
10th February 2009

Elderly people who have suffered from a stroke have a network of arteries at the surface of the brain which is able to restore blood flow to parts of the organ injured by the ailment, it has been revealed.

A new study has found that tissue starved of nutrients and oxygen is focused on following a stroke.

This was not detected previously as tests had measured the speed of the blood - which slows after the occurrence - but not the direction in which it was headed.

David Kleinfeld, a physics professor at the University of California in San Diego, which carried out the research, stated that vessels on the brain's outermost points acts like a grid system to stem any flow necessary to help in recovery.

He continued: "City traffic freezes a lot less than you would think because once a street gets bogged down, you can move over to another street.

"This seems to be what happens on the surface of the brain."

Founded in 1960, the University of California is an accomplished research university and oversees an annual revenue of $2.4 billion (£1.625 billion).

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