Migraines Linked to Long Term Neurological Problems

This article caught my eye today because I have a lot of friends and family who suffer from migraines. Apparently, some researchers studied cortical spreading depression (CSD) in mice with a two-photon microscopic and some oxygen sensor microelectrodes, Their findings indicate that a migraine causes brain damage similar to a stroke or a concussion as the brain cells swell and are deprived of oxygen. I always assumed that migraines were simply severe headaches and never considered that they could be linked with stroke, neural damage, and possibly long term problems. The article goes on to say that some studies show that the damage caused is permanent while other studies indicate otherwise. The research was published in the journal, Nature Neuroscience, this week.
http://abcnews.go.com/Health/WireStory?id=3097936&page=1