What Are The Symptoms Of Carotid Artery Stenosis? Why Does the Carotid Artery Narrow? Carotid artery narrowing can cause serious health problems. What Are The Symptoms Of Carotid Artery Stenosis? We’ve compiled everything you need to know about Carotid Artery Narrowing and why the carotid artery narrows. You can find everything you need to know…