Health & Medicine - Friday, May 28, 2010 12:05 - 1 Comment

Built-in bypass bolstered by key molecule

UNC-CHAPEL HILL(US)—An abundance of tiny specialized blood vessels, called collaterals, can reduce damage caused by a blocked artery—such as stroke, heart attack, or leg injury—by enlarging to create a natural bypass. Research shows that this ability is related to levels of nitric oxide, a key signaling molecule. Continue…