Mar 18, 2014 — In 2010, 15 percent of people who went to the doctor for a headache got a brain scan, even though the vast majority of headaches aren't symptoms of something seriously wrong.
Aug 30, 2013 — All people have brain abnormalities, but people with migraines are more likely to have ones similar to tiny strokes, a study finds. That's particularly true for people who have migraines with aura. The changes may explain why people with migraines have a higher risk of stroke.
Apr 16, 2012 — These debilitating, painful headaches affect three times more women than men. Migraines play out as a wave of electrical activity travels across the brain. Hormones can provide a trigger.