American Council for Headache Education - Support Groups
http://www.achenet.org/support/
Cluster Headaches Worldwide Support Group
http://www.clusterheadaches.com/
Headache Care Network
Information about headache treatments and prevention and a physician finder.
http://www.headachecare.com/
Headache: Hope Through Research
http://www.ninds.nih.gov/disorders/h...l_headache.htm
Headache & Migraine Information
http://www.headache.com.au/
National Headache Foundation
http://www.headaches.org/
National Headache Foundation: Support Groups
http://www.headaches.org/consumer/supportgroups.html
Ronda's Migraine - Support
http://www.migrainepage.com/help.html
World Headache Alliance
News, information and support for headache sufferers.
http://www.w-h-a.org/