MAGNUM was founded by Michael John Coleman, who has suffered with this disease since he was a child. The organization has a superlative staff and board of directors including my mentor Teri Robert. The MAGNUM site is one you can count on for accurate information from trusted professionals in the field.
From the MAGNUM site:
MAGNUM: Migraine Awareness Group: A National Understanding for Migraineurs, was created to bring public awareness utilizing the electronic, print and artistic mediums, to the fact that Migraine is a true biologic neurological disease, to assist Migraine sufferers, their families, and coworkers, and to help improve the quality of life of Migraine sufferers worldwide.
MAGNUM also has an excellent Migraine Blog. This is another site to bookmark!
On a related note, if you have a few extra $, a donation to MAGNUM helps ALL Migraineurs. A donation is also a great Christmas gift for Migraineurs you know. MAGNUM is a 501(c)(3) charity, so donations are tax-deductible.