this is equally true of, say, schizophrenia — there’s no physical test for it as far as I know, just questionnaires about how someone perceives the world. but

this is equally true of, say, schizophrenia — there’s no physical test for it as far as I know, just questionnaires about how someone perceives the world. but i don’t think anyone would argue it’s not a biological disease at this point, even if we don’t yet know what biological parameters to measure.