But, cluster headaches are treated using none- or close to none-psychoactive doses, like .5g dried cubensis or something. So, I would say that the treatment of cluster headaches with mushrooms or LSD is not really a form of psychedelic medicin, because the doses used are not psychedelic. But still it's a great example of how counter-effective the war on drugs is. Cluster headaches (aka 'suicide headaches') are supposed to be close to the worst painful experience there is, and psychedelic tryptamines are the only known substance that can really stop people from getting them. But because they're a psychedelic at higher doses, doctors cannot prescribe them :? ...