Migraine Relief

I have a friend who suffers from severe migraines, so I'm always on the lookout for good resources for her.  I just found this excellent article by a yoga teacher who suffers from migraines, so its pretty darn thorough—multiple yoga sequences from various sources, preventive breakfast, herbs and more are suggested to relieve and prevent migraines (I hope it will help some of you migraine sufferers!):  http://paulbuschyoga.com/node/110