Well, you wouldn't. It's largely a metaphysical stance rather than a scientific one[0], which I suspect is precisely why modern medicine is struggling to engag

Well, you wouldn't. It's largely a metaphysical stance rather than a scientific one[0], which I suspect is precisely why modern medicine is struggling to engage with it. [0] Mostly. Part of it falls under Dennett's notion of an intentional stance, but that requires us to take self-report seriously, and so precludes a number of experimental designs.