Over the last few years, we've seen several studies about Migraine disease increasing the risk of cardiovascular events such as stroke and heart attack. One of the major studies was what's called retrospective, a study in which the researchers went back and reviewed previous studies. In this case, it was 14 small studies related to Migraine and stroke.

Since then, we've seen more information, so much in fact, that it has become confusing and more than a bit frightening to some. We need...