I remember watching a documentary about exactly that use for LSD. I don't remember the name of the docu. but I found the following link: http://news.sciencemag

I remember watching a documentary about exactly that use for LSD. I don't remember the name of the docu. but I found the following link: http://news.sciencemag.org/brain-behavior/2011/06/lsd-alleviates-suicide-headaches http://news.sciencemag.org/brain-behavior/2011/06/lsd-allevi...