Note: this information is presented as information only. Research Papers: may be abstracts only, full articles often require log in and paid subscription fees by the publisher. Response of cluster headache to psilocybin and LSD      Sewell RA, Halpern JH, Pope, HG Jr.      http://www.ncbi.nlm.nih.gov/pubmed/16801660 The non-hallucinogen 2-bromo-lysergic acid diethylamide as preventative treatment for cluster headache: An open, non-randomized case series.      Matthias Karst, John H Halpern, Michael Bernateck, and Torsten Passie      Cephalalgia, Mar 2010; vol. 0: pp. 0333102410363490v1 Poster Presentations: property of author and Clusterbusters. Attack Cessation and Remission Induction with 2-Bromo-L SD for Cluster Headache News Articles: Long Trip for Psychedelic Drugs: http://www.wired.com/medtech/health/news/2004/09/65025 Cluster Headaches and Psilocybin Tea http://www.clusterbusters.com/buchanan.htm Suicide or Cluster Headache. Horizons 2009 http://vimeo.com/10918637 Oxygen Therapy Can Help Cluster Headache http://abcnews.go.com/GMA/PainNews/oxygen-therapy-cluster-headaches-study-finds/story?id=9284973 The Effects of Hallucinogens on Cluster Headache http://www.headaches.org/blog/?p=342 Hallucinogens Have Doctors Tuning In Again http://www.nytimes.com/2010/04/12/science/12psychedelics.html News Feature: ClusterBusters. Nature Medicine http://www.maps.org/research/cluster/psilo-lsd/nm0107-10.pdf From the ClusterBuster Conference, 2008 Georgia http://www.entrepreneur.com/tradejournals/article/188064649.html From the ClusterBuster Conference, 2009 Chicago http://www.newsweek.com/id/217542