Would be. Or i could just argue that the prevalent notion of health is too focused on physiological issues, and that in the recent efforts to recognize depression as a valid illness, there is a tendency to reframe it as a neurological disease, rather than validating mental issues as such. As far as I'm informed the neurological processes involved in depression and the effect of psychotropic drugs are not well understood, so there isn't even a basis there to determine what causes what.