Cluster Links and Information

For those not in the know, here's little bit of information for you.

http://en.wikipedia.org/wiki/Cluster_headache

http://www.mayoclinic.com/health/cluster-headache/DS00487

Here's where we hang out digitally (online)

http://clusterheadacheinfo.org/

http://clusterbusters.clusterheadaches.com/

http://www.clusterheadaches.com/

Hope that sheds a little light on the subject.