When most people think of MS, migraine usually doesn’t come to mind. Yet, research shows that patients with MS are far more likely to experience migraine than the average person. (1.) Some people never have a migraine attack in their life – until their multiple sclerosis (MS) shows up. Others seek medical attention for headaches, only to discover they have MS. So, does MS cause migraine? Or do the two conditions just tend to happen in the same people? In...