They can trigger a paradigm shift in many other areas, not just mental health care. Except it's so hard to explain this to a 'normal' person, who's never taken any. "If God were to permit you a brief voyage into the divine process, let you whirl for a second into the atomic nucleus or spin you out on a light-year trip through the galaxies, how on earth would you describe what you saw when you got back, breathless, to…
Did you really just say that?
Cancer of the liver; cancer of the rectum; cancer of the [insert body part], has nothing to do with the actions that psychedelics have on your body.
Psychedelics are for the brain and mind, not the abnormal cells attacking your rectum.
The only mention of cancer in the article is treating cancer related anxiety. Getting high and curing cancer at the same time wasn't part of the research. Mentioning such ridiculous ideas only poisons the discussion, and drags the legitimate scientific effort through the mud of false belief, back down to the bottom of the reputation barrel.