/tags/dr-brad-otto Dr. Brad Otto en-US Copyright Wed, 03 Sep 2014 18:00:00 GMT /technology/2014-09-03/instant-pain-relief-from-cluster-headaches Cluster headaches are often called "suicide headaches" because of their intense pain, paralyzing suffers for 15 minutes to three hours at a time.Dr. Brad… Wed, 03 Sep 2014 18:00:00 GMT /technology/2014-09-03/instant-pain-relief-from-cluster-headaches Ann Thompson