THE QUESTION Should people who get migraine headaches be on the alert for clogged veins or arteries? THIS STUDY Involved 574 people, age 55 and older; 111 of them had experienced migraines. Based on medical records and ultrasound scans of arteries in the neck and thighs of all participants, there was little or no difference in the presence, severity or progression of atherosclerosis (narrowing of arteries from plaque buildup) among those who did and did not have migraine diagnoses. ...