Posted by Bob P on June 07, 1999 at 09:56:46:
In Reply to: Definitions re: CH posted by Bob Kipple on June 04, 1999 at 20:40:54:
In my terminology:
Cluster - my "group" of headaches, usually 2-3 a day for 6 - 12 weeks.
Cycle - how often a cluster visits, for the first 20 years it was once a year I'd get a cluster. Now it's about every 2-1/2 years. So a cluster visits on a 2-1/2 cycle.