World Headache Alliance:
http://www.w-h-a.org/
Article about the links between epilepsy and migraines:
http://www.mc.vanderbilt.edu/reporter/index.html?ID=6523
Migraine Blog
http://painintheoffering.wordpress.com/
"Sparks of Creativity: the influence of epilepsy and migraines in art." Study by Jim Chambliss:
http://sparksofcreativity.blogspot.com/