Getting it from both sides: foundational and antifoundational critiques of psychiatry

[...] the postmodern theorist Francois Lyotard denies the legitimacy of grand narratives-essentially, cultural myths that merely serve . . . to mask the contradictions and instabilities that are inherent in any social organization or practice. [...] we believe that there is no evaluative difference between the claim, "The coronary arteries should not be clogged with plaque, if you want good physical health," and the claim, "The mind should not be bombarded with auditory hallucinations, if you want good mental health."