The exact causes of migraine are unknown. Doctors think that migraine may start with an underlying central nervous system disorder. When triggered by various stimuli, this disorder may set off a chain of neurologic and biochemical events, some of which subsequently affect the brain's blood vessel (vascular) system.
There is certainly a strong genetic component to migraine. Several different genes are likely to be involved in the great majority of migraine cases.
Numerous other brain...Read more
Our readers ask some great questions about Migraine disease and other headache disorders here on HealthCentral's Migraine community. Nancy... Read more »
Full Question: I began having ocular migraines in my late 20's. I am 68 now, and have experienced them only once or twice a year since... Read more »