Some years ago, I read about migraines having the same underlying mechanism as epileptic seizures.

I read several papers at PubMed, and read a lot at epileptic forums, the Charlie Foundation, and Dr. Eric Kossoff's papers. Dr. Russell Wilder's writings were fascinating, too. Here is his "The Threshold of Ketogenesis":
http://www.jbc.org/content/52/2/393.full.pdf

That got me to lower the protein and raise the fat.