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Narrowing of neck artery without warning may signal memory, thinking decline

For the first time, researchers have demonstrated that narrowing of the carotid artery in the neck without any symptoms may be linked to problems in learning, memory, thinking and decision-making, compared to people with similar risk factors but no narrowing in the neck artery, according to a study. Narrowing of arteries occurs when plaques build up in the artery, and they can harm the brain by restricting proper blood flow or by showering little pieces of plaque into the brain.
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