The Shape, Size Of Brain Arteries May Predict Stroke Risk

The size and shape of the blood vessels in your brain could predict your risk of having an aneurysm.

University of South Australia researchers found people with varying sized brain arteries have greater odds of suffering an aneurysm, an often fatal type of stroke. They specifically found that among those who had had aneurysms, the four arteries that enter the brain box, divide into segments and supply blood to the brain, were not in proportion to each other.

This increases peaks in blood pressure and predisposes them to ballooned blood vessels. Brain aneurysms cause almost 500,000 deaths worldwide each year, half of them in people under age 50, with women at greater risk.

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