clusterheadsurvivor.blogspot.ca Cluster Headache documentary to help educate and explain what us sufferers go through. I hope this video helps someone Thank you Upate I had DBS Brain surgery since this video, and have quit smoking, I quit smoking Aug 23,2011 the day of my ONS Surgery. My attacks did not stop because of Occipital Nerve Stimulation or quitting smoking. I remain a non smoker to this very day. I had to have the pacemaker removed because of infection but plan in a month or two to have it re installed